87221750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 213497856

約数和(自身を除く): 126276106

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 25, 35, 46, 50, 55, 70, 77, 110, 115, 125, 154, 161, 175, 197, 230, 250, 253, 275, 322, 350, 385, 394, 506, 550, 575, 770, 805, 875, 985, 1150, 1265, 1375, 1379, 1610, 1750, 1771, 1925, 1970, 2167, 2530, 2750, 2758, 2875, 3542, 3850, 4025, 4334, 4531, 4925, 5750, 6325, 6895, 8050, 8855, 9062, 9625, 9850, 10835, 12650, 13790, 15169, 17710, 19250, 20125, 21670, 22655, 24625, 30338, 31625, 31717, 34475, 40250, 44275, 45310, 49250, 49841, 54175, 63250, 63434, 68950, 75845, 88550, 99682, 108350, 113275, 151690, 158585, 172375, 221375, 226550, 249205, 270875, 317170, 344750, 348887, 379225, 442750, 498410, 541750, 566375, 697774, 758450, 792925, 1132750, 1246025, 1585850, 1744435, 1896125, 2492050, 3488870, 3792250, 3964625, 6230125, 7929250, 8722175, 12460250, 17444350, 43610875, 87221750]

約数ペア:

[(1, 87221750), (2, 43610875), (5, 17444350), (7, 12460250), (10, 8722175), (11, 7929250), (14, 6230125), (22, 3964625), (23, 3792250), (25, 3488870), (35, 2492050), (46, 1896125), (50, 1744435), (55, 1585850), (70, 1246025), (77, 1132750), (110, 792925), (115, 758450), (125, 697774), (154, 566375), (161, 541750), (175, 498410), (197, 442750), (230, 379225), (250, 348887), (253, 344750), (275, 317170), (322, 270875), (350, 249205), (385, 226550), (394, 221375), (506, 172375), (550, 158585), (575, 151690), (770, 113275), (805, 108350), (875, 99682), (985, 88550), (1150, 75845), (1265, 68950), (1375, 63434), (1379, 63250), (1610, 54175), (1750, 49841), (1771, 49250), (1925, 45310), (1970, 44275), (2167, 40250), (2530, 34475), (2750, 31717), (2758, 31625), (2875, 30338), (3542, 24625), (3850, 22655), (4025, 21670), (4334, 20125), (4531, 19250), (4925, 17710), (5750, 15169), (6325, 13790), (6895, 12650), (8050, 10835), (8855, 9850), (9062, 9625)]