728715625

素因数分解:

$5^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 1113678720

約数和(自身を除く): 384963095

約数列:

[1, 5, 11, 17, 25, 29, 43, 55, 85, 125, 145, 187, 215, 275, 319, 425, 473, 493, 625, 725, 731, 935, 1075, 1247, 1375, 1595, 2125, 2365, 2465, 3125, 3625, 3655, 4675, 5375, 5423, 6235, 6875, 7975, 8041, 10625, 11825, 12325, 13717, 18125, 18275, 21199, 23375, 26875, 27115, 31175, 34375, 39875, 40205, 53125, 59125, 61625, 68585, 90625, 91375, 105995, 116875, 134375, 135575, 155875, 199375, 201025, 233189, 295625, 308125, 342925, 456875, 529975, 584375, 677875, 779375, 996875, 1005125, 1165945, 1478125, 1540625, 1714625, 2284375, 2649875, 3389375, 3896875, 5025625, 5829725, 8573125, 13249375, 16946875, 25128125, 29148625, 42865625, 66246875, 145743125, 728715625]

約数ペア:

[(1, 728715625), (5, 145743125), (11, 66246875), (17, 42865625), (25, 29148625), (29, 25128125), (43, 16946875), (55, 13249375), (85, 8573125), (125, 5829725), (145, 5025625), (187, 3896875), (215, 3389375), (275, 2649875), (319, 2284375), (425, 1714625), (473, 1540625), (493, 1478125), (625, 1165945), (725, 1005125), (731, 996875), (935, 779375), (1075, 677875), (1247, 584375), (1375, 529975), (1595, 456875), (2125, 342925), (2365, 308125), (2465, 295625), (3125, 233189), (3625, 201025), (3655, 199375), (4675, 155875), (5375, 135575), (5423, 134375), (6235, 116875), (6875, 105995), (7975, 91375), (8041, 90625), (10625, 68585), (11825, 61625), (12325, 59125), (13717, 53125), (18125, 40205), (18275, 39875), (21199, 34375), (23375, 31175), (26875, 27115)]