81498200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2577

約数の個数: 96

約数和(自身を含む): 226056960

約数和(自身を除く): 144558760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 460, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 2300, 2531, 3220, 4025, 4600, 5062, 6440, 8050, 10124, 12655, 16100, 17717, 20248, 25310, 32200, 35434, 50620, 58213, 63275, 70868, 88585, 101240, 116426, 126550, 141736, 177170, 232852, 253100, 291065, 354340, 407491, 442925, 465704, 506200, 582130, 708680, 814982, 885850, 1164260, 1455325, 1629964, 1771700, 2037455, 2328520, 2910650, 3259928, 3543400, 4074910, 5821300, 8149820, 10187275, 11642600, 16299640, 20374550, 40749100, 81498200]

約数ペア:

[(1, 81498200), (2, 40749100), (4, 20374550), (5, 16299640), (7, 11642600), (8, 10187275), (10, 8149820), (14, 5821300), (20, 4074910), (23, 3543400), (25, 3259928), (28, 2910650), (35, 2328520), (40, 2037455), (46, 1771700), (50, 1629964), (56, 1455325), (70, 1164260), (92, 885850), (100, 814982), (115, 708680), (140, 582130), (161, 506200), (175, 465704), (184, 442925), (200, 407491), (230, 354340), (280, 291065), (322, 253100), (350, 232852), (460, 177170), (575, 141736), (644, 126550), (700, 116426), (805, 101240), (920, 88585), (1150, 70868), (1288, 63275), (1400, 58213), (1610, 50620), (2300, 35434), (2531, 32200), (3220, 25310), (4025, 20248), (4600, 17717), (5062, 16100), (6440, 12655), (8050, 10124)]