400328100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 216

約数和(自身を含む): 1355434080

約数和(自身を除く): 955105980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 41, 45, 50, 57, 60, 75, 76, 82, 90, 95, 100, 114, 123, 150, 164, 171, 180, 190, 205, 225, 228, 246, 285, 300, 342, 369, 380, 410, 450, 475, 492, 570, 571, 615, 684, 738, 779, 820, 855, 900, 950, 1025, 1140, 1142, 1230, 1425, 1476, 1558, 1710, 1713, 1845, 1900, 2050, 2284, 2337, 2460, 2850, 2855, 3075, 3116, 3420, 3426, 3690, 3895, 4100, 4275, 4674, 5139, 5700, 5710, 6150, 6852, 7011, 7380, 7790, 8550, 8565, 9225, 9348, 10278, 10849, 11420, 11685, 12300, 14022, 14275, 15580, 17100, 17130, 18450, 19475, 20556, 21698, 23370, 23411, 25695, 28044, 28550, 32547, 34260, 35055, 36900, 38950, 42825, 43396, 46740, 46822, 51390, 54245, 57100, 58425, 65094, 70110, 70233, 77900, 85650, 93644, 97641, 102780, 108490, 116850, 117055, 128475, 130188, 140220, 140466, 162735, 171300, 175275, 195282, 210699, 216980, 233700, 234110, 256950, 271225, 280932, 325470, 350550, 351165, 390564, 421398, 444809, 468220, 488205, 513900, 542450, 585275, 650940, 701100, 702330, 813675, 842796, 889618, 976410, 1053495, 1084900, 1170550, 1334427, 1404660, 1627350, 1755825, 1779236, 1952820, 2106990, 2224045, 2341100, 2441025, 2668854, 3254700, 3511650, 4003281, 4213980, 4448090, 4882050, 5267475, 5337708, 6672135, 7023300, 8006562, 8896180, 9764100, 10534950, 11120225, 13344270, 16013124, 20016405, 21069900, 22240450, 26688540, 33360675, 40032810, 44480900, 66721350, 80065620, 100082025, 133442700, 200164050, 400328100]

約数ペア:

[(1, 400328100), (2, 200164050), (3, 133442700), (4, 100082025), (5, 80065620), (6, 66721350), (9, 44480900), (10, 40032810), (12, 33360675), (15, 26688540), (18, 22240450), (19, 21069900), (20, 20016405), (25, 16013124), (30, 13344270), (36, 11120225), (38, 10534950), (41, 9764100), (45, 8896180), (50, 8006562), (57, 7023300), (60, 6672135), (75, 5337708), (76, 5267475), (82, 4882050), (90, 4448090), (95, 4213980), (100, 4003281), (114, 3511650), (123, 3254700), (150, 2668854), (164, 2441025), (171, 2341100), (180, 2224045), (190, 2106990), (205, 1952820), (225, 1779236), (228, 1755825), (246, 1627350), (285, 1404660), (300, 1334427), (342, 1170550), (369, 1084900), (380, 1053495), (410, 976410), (450, 889618), (475, 842796), (492, 813675), (570, 702330), (571, 701100), (615, 650940), (684, 585275), (738, 542450), (779, 513900), (820, 488205), (855, 468220), (900, 444809), (950, 421398), (1025, 390564), (1140, 351165), (1142, 350550), (1230, 325470), (1425, 280932), (1476, 271225), (1558, 256950), (1710, 234110), (1713, 233700), (1845, 216980), (1900, 210699), (2050, 195282), (2284, 175275), (2337, 171300), (2460, 162735), (2850, 140466), (2855, 140220), (3075, 130188), (3116, 128475), (3420, 117055), (3426, 116850), (3690, 108490), (3895, 102780), (4100, 97641), (4275, 93644), (4674, 85650), (5139, 77900), (5700, 70233), (5710, 70110), (6150, 65094), (6852, 58425), (7011, 57100), (7380, 54245), (7790, 51390), (8550, 46822), (8565, 46740), (9225, 43396), (9348, 42825), (10278, 38950), (10849, 36900), (11420, 35055), (11685, 34260), (12300, 32547), (14022, 28550), (14275, 28044), (15580, 25695), (17100, 23411), (17130, 23370), (18450, 21698), (19475, 20556)]