249928640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:926

約数の個数: 112

約数和(自身を含む): 650491968

約数和(自身を除く): 400563328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 130, 146, 160, 208, 260, 292, 320, 365, 416, 520, 584, 730, 823, 832, 949, 1040, 1168, 1460, 1646, 1898, 2080, 2336, 2920, 3292, 3796, 4115, 4160, 4672, 4745, 5840, 6584, 7592, 8230, 9490, 10699, 11680, 13168, 15184, 16460, 18980, 21398, 23360, 26336, 30368, 32920, 37960, 42796, 52672, 53495, 60079, 60736, 65840, 75920, 85592, 106990, 120158, 131680, 151840, 171184, 213980, 240316, 263360, 300395, 303680, 342368, 427960, 480632, 600790, 684736, 781027, 855920, 961264, 1201580, 1562054, 1711840, 1922528, 2403160, 3124108, 3423680, 3845056, 3905135, 4806320, 6248216, 7810270, 9612640, 12496432, 15620540, 19225280, 24992864, 31241080, 49985728, 62482160, 124964320, 249928640]

約数ペア:

[(1, 249928640), (2, 124964320), (4, 62482160), (5, 49985728), (8, 31241080), (10, 24992864), (13, 19225280), (16, 15620540), (20, 12496432), (26, 9612640), (32, 7810270), (40, 6248216), (52, 4806320), (64, 3905135), (65, 3845056), (73, 3423680), (80, 3124108), (104, 2403160), (130, 1922528), (146, 1711840), (160, 1562054), (208, 1201580), (260, 961264), (292, 855920), (320, 781027), (365, 684736), (416, 600790), (520, 480632), (584, 427960), (730, 342368), (823, 303680), (832, 300395), (949, 263360), (1040, 240316), (1168, 213980), (1460, 171184), (1646, 151840), (1898, 131680), (2080, 120158), (2336, 106990), (2920, 85592), (3292, 75920), (3796, 65840), (4115, 60736), (4160, 60079), (4672, 53495), (4745, 52672), (5840, 42796), (6584, 37960), (7592, 32920), (8230, 30368), (9490, 26336), (10699, 23360), (11680, 21398), (13168, 18980), (15184, 16460)]