257987700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 288

約数和(自身を含む): 899942400

約数和(自身を除く): 641954700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 47, 50, 54, 57, 60, 75, 76, 90, 94, 95, 100, 107, 108, 114, 135, 141, 150, 171, 180, 188, 190, 214, 225, 228, 235, 270, 282, 285, 300, 321, 342, 380, 423, 428, 450, 470, 475, 513, 535, 540, 564, 570, 642, 675, 684, 705, 846, 855, 893, 900, 940, 950, 963, 1026, 1070, 1140, 1175, 1269, 1284, 1350, 1410, 1425, 1605, 1692, 1710, 1786, 1900, 1926, 2033, 2052, 2115, 2140, 2350, 2538, 2565, 2675, 2679, 2700, 2820, 2850, 2889, 3210, 3420, 3525, 3572, 3852, 4066, 4230, 4275, 4465, 4700, 4815, 5029, 5076, 5130, 5350, 5358, 5700, 5778, 6099, 6345, 6420, 7050, 8025, 8037, 8132, 8460, 8550, 8930, 9630, 10058, 10165, 10260, 10575, 10700, 10716, 11556, 12198, 12690, 12825, 13395, 14100, 14445, 15087, 16050, 16074, 17100, 17860, 18297, 19260, 20116, 20330, 21150, 22325, 24075, 24111, 24396, 25145, 25380, 25650, 26790, 28890, 30174, 30495, 31725, 32100, 32148, 36594, 40185, 40660, 42300, 44650, 45261, 48150, 48222, 50290, 50825, 51300, 53580, 54891, 57780, 60348, 60990, 63450, 66975, 72225, 73188, 75435, 80370, 89300, 90522, 91485, 95551, 96300, 96444, 100580, 101650, 109782, 120555, 121980, 125725, 126900, 133950, 135783, 144450, 150870, 152475, 160740, 181044, 182970, 191102, 200925, 203300, 219564, 226305, 241110, 251450, 267900, 271566, 274455, 286653, 288900, 301740, 304950, 365940, 377175, 382204, 401850, 452610, 457425, 477755, 482220, 502900, 543132, 548910, 573306, 602775, 609900, 678915, 754350, 803700, 859959, 905220, 914850, 955510, 1097820, 1131525, 1146612, 1205550, 1357830, 1372275, 1433265, 1508700, 1719918, 1829700, 1911020, 2263050, 2388775, 2411100, 2579877, 2715660, 2744550, 2866530, 3394575, 3439836, 4299795, 4526100, 4777550, 5159754, 5489100, 5733060, 6789150, 7166325, 8599590, 9555100, 10319508, 12899385, 13578300, 14332650, 17199180, 21498975, 25798770, 28665300, 42997950, 51597540, 64496925, 85995900, 128993850, 257987700]

約数ペア:

[(1, 257987700), (2, 128993850), (3, 85995900), (4, 64496925), (5, 51597540), (6, 42997950), (9, 28665300), (10, 25798770), (12, 21498975), (15, 17199180), (18, 14332650), (19, 13578300), (20, 12899385), (25, 10319508), (27, 9555100), (30, 8599590), (36, 7166325), (38, 6789150), (45, 5733060), (47, 5489100), (50, 5159754), (54, 4777550), (57, 4526100), (60, 4299795), (75, 3439836), (76, 3394575), (90, 2866530), (94, 2744550), (95, 2715660), (100, 2579877), (107, 2411100), (108, 2388775), (114, 2263050), (135, 1911020), (141, 1829700), (150, 1719918), (171, 1508700), (180, 1433265), (188, 1372275), (190, 1357830), (214, 1205550), (225, 1146612), (228, 1131525), (235, 1097820), (270, 955510), (282, 914850), (285, 905220), (300, 859959), (321, 803700), (342, 754350), (380, 678915), (423, 609900), (428, 602775), (450, 573306), (470, 548910), (475, 543132), (513, 502900), (535, 482220), (540, 477755), (564, 457425), (570, 452610), (642, 401850), (675, 382204), (684, 377175), (705, 365940), (846, 304950), (855, 301740), (893, 288900), (900, 286653), (940, 274455), (950, 271566), (963, 267900), (1026, 251450), (1070, 241110), (1140, 226305), (1175, 219564), (1269, 203300), (1284, 200925), (1350, 191102), (1410, 182970), (1425, 181044), (1605, 160740), (1692, 152475), (1710, 150870), (1786, 144450), (1900, 135783), (1926, 133950), (2033, 126900), (2052, 125725), (2115, 121980), (2140, 120555), (2350, 109782), (2538, 101650), (2565, 100580), (2675, 96444), (2679, 96300), (2700, 95551), (2820, 91485), (2850, 90522), (2889, 89300), (3210, 80370), (3420, 75435), (3525, 73188), (3572, 72225), (3852, 66975), (4066, 63450), (4230, 60990), (4275, 60348), (4465, 57780), (4700, 54891), (4815, 53580), (5029, 51300), (5076, 50825), (5130, 50290), (5350, 48222), (5358, 48150), (5700, 45261), (5778, 44650), (6099, 42300), (6345, 40660), (6420, 40185), (7050, 36594), (8025, 32148), (8037, 32100), (8132, 31725), (8460, 30495), (8550, 30174), (8930, 28890), (9630, 26790), (10058, 25650), (10165, 25380), (10260, 25145), (10575, 24396), (10700, 24111), (10716, 24075), (11556, 22325), (12198, 21150), (12690, 20330), (12825, 20116), (13395, 19260), (14100, 18297), (14445, 17860), (15087, 17100), (16050, 16074)]