219991500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 288

約数和(自身を含む): 763176960

約数和(自身を除く): 543185460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 31, 36, 38, 45, 50, 57, 60, 62, 75, 76, 83, 90, 93, 95, 100, 114, 124, 125, 150, 155, 166, 171, 180, 186, 190, 225, 228, 249, 250, 279, 285, 300, 310, 332, 342, 372, 375, 380, 415, 450, 465, 475, 498, 500, 558, 570, 589, 620, 684, 747, 750, 775, 830, 855, 900, 930, 950, 996, 1116, 1125, 1140, 1178, 1245, 1395, 1425, 1494, 1500, 1550, 1577, 1660, 1710, 1767, 1860, 1900, 2075, 2250, 2325, 2356, 2375, 2490, 2573, 2790, 2850, 2945, 2988, 3100, 3154, 3420, 3534, 3735, 3875, 4150, 4275, 4500, 4650, 4731, 4750, 4980, 5146, 5301, 5580, 5700, 5890, 6225, 6308, 6975, 7068, 7125, 7470, 7719, 7750, 7885, 8300, 8550, 8835, 9300, 9462, 9500, 10292, 10375, 10602, 11625, 11780, 12450, 12865, 13950, 14193, 14250, 14725, 14940, 15438, 15500, 15770, 17100, 17670, 18675, 18924, 20750, 21204, 21375, 23157, 23250, 23655, 24900, 25730, 26505, 27900, 28386, 28500, 29450, 30876, 31125, 31540, 34875, 35340, 37350, 38595, 39425, 41500, 42750, 44175, 46314, 46500, 47310, 48887, 51460, 53010, 56772, 58900, 62250, 64325, 69750, 70965, 73625, 74700, 77190, 78850, 85500, 88350, 92628, 93375, 94620, 97774, 106020, 115785, 118275, 124500, 128650, 132525, 139500, 141930, 146661, 147250, 154380, 157700, 176700, 186750, 192975, 195548, 197125, 220875, 231570, 236550, 244435, 257300, 265050, 283860, 293322, 294500, 321625, 354825, 373500, 385950, 394250, 439983, 441750, 463140, 473100, 488870, 530100, 578925, 586644, 591375, 643250, 662625, 709650, 733305, 771900, 788500, 879966, 883500, 964875, 977740, 1157850, 1182750, 1222175, 1286500, 1325250, 1419300, 1466610, 1759932, 1774125, 1929750, 2199915, 2315700, 2365500, 2444350, 2650500, 2894625, 2933220, 3548250, 3666525, 3859500, 4399830, 4888700, 5789250, 6110875, 7096500, 7333050, 8799660, 10999575, 11578500, 12221750, 14666100, 18332625, 21999150, 24443500, 36665250, 43998300, 54997875, 73330500, 109995750, 219991500]

約数ペア:

[(1, 219991500), (2, 109995750), (3, 73330500), (4, 54997875), (5, 43998300), (6, 36665250), (9, 24443500), (10, 21999150), (12, 18332625), (15, 14666100), (18, 12221750), (19, 11578500), (20, 10999575), (25, 8799660), (30, 7333050), (31, 7096500), (36, 6110875), (38, 5789250), (45, 4888700), (50, 4399830), (57, 3859500), (60, 3666525), (62, 3548250), (75, 2933220), (76, 2894625), (83, 2650500), (90, 2444350), (93, 2365500), (95, 2315700), (100, 2199915), (114, 1929750), (124, 1774125), (125, 1759932), (150, 1466610), (155, 1419300), (166, 1325250), (171, 1286500), (180, 1222175), (186, 1182750), (190, 1157850), (225, 977740), (228, 964875), (249, 883500), (250, 879966), (279, 788500), (285, 771900), (300, 733305), (310, 709650), (332, 662625), (342, 643250), (372, 591375), (375, 586644), (380, 578925), (415, 530100), (450, 488870), (465, 473100), (475, 463140), (498, 441750), (500, 439983), (558, 394250), (570, 385950), (589, 373500), (620, 354825), (684, 321625), (747, 294500), (750, 293322), (775, 283860), (830, 265050), (855, 257300), (900, 244435), (930, 236550), (950, 231570), (996, 220875), (1116, 197125), (1125, 195548), (1140, 192975), (1178, 186750), (1245, 176700), (1395, 157700), (1425, 154380), (1494, 147250), (1500, 146661), (1550, 141930), (1577, 139500), (1660, 132525), (1710, 128650), (1767, 124500), (1860, 118275), (1900, 115785), (2075, 106020), (2250, 97774), (2325, 94620), (2356, 93375), (2375, 92628), (2490, 88350), (2573, 85500), (2790, 78850), (2850, 77190), (2945, 74700), (2988, 73625), (3100, 70965), (3154, 69750), (3420, 64325), (3534, 62250), (3735, 58900), (3875, 56772), (4150, 53010), (4275, 51460), (4500, 48887), (4650, 47310), (4731, 46500), (4750, 46314), (4980, 44175), (5146, 42750), (5301, 41500), (5580, 39425), (5700, 38595), (5890, 37350), (6225, 35340), (6308, 34875), (6975, 31540), (7068, 31125), (7125, 30876), (7470, 29450), (7719, 28500), (7750, 28386), (7885, 27900), (8300, 26505), (8550, 25730), (8835, 24900), (9300, 23655), (9462, 23250), (9500, 23157), (10292, 21375), (10375, 21204), (10602, 20750), (11625, 18924), (11780, 18675), (12450, 17670), (12865, 17100), (13950, 15770), (14193, 15500), (14250, 15438), (14725, 14940)]