403920400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:653

約数の個数: 120

約数和(自身を含む): 1053448200

約数和(自身を除く): 649527800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 173, 200, 208, 260, 325, 346, 400, 449, 520, 650, 692, 865, 898, 1040, 1300, 1384, 1730, 1796, 2245, 2249, 2600, 2768, 3460, 3592, 4325, 4490, 4498, 5200, 5837, 6920, 7184, 8650, 8980, 8996, 11225, 11245, 11674, 13840, 17300, 17960, 17992, 22450, 22490, 23348, 29185, 34600, 35920, 35984, 44900, 44980, 46696, 56225, 58370, 69200, 77677, 89800, 89960, 93392, 112450, 116740, 145925, 155354, 179600, 179920, 224900, 233480, 291850, 310708, 388385, 449800, 466960, 583700, 621416, 776770, 899600, 1009801, 1167400, 1242832, 1553540, 1941925, 2019602, 2334800, 3107080, 3883850, 4039204, 5049005, 6214160, 7767700, 8078408, 10098010, 15535400, 16156816, 20196020, 25245025, 31070800, 40392040, 50490050, 80784080, 100980100, 201960200, 403920400]

約数ペア:

[(1, 403920400), (2, 201960200), (4, 100980100), (5, 80784080), (8, 50490050), (10, 40392040), (13, 31070800), (16, 25245025), (20, 20196020), (25, 16156816), (26, 15535400), (40, 10098010), (50, 8078408), (52, 7767700), (65, 6214160), (80, 5049005), (100, 4039204), (104, 3883850), (130, 3107080), (173, 2334800), (200, 2019602), (208, 1941925), (260, 1553540), (325, 1242832), (346, 1167400), (400, 1009801), (449, 899600), (520, 776770), (650, 621416), (692, 583700), (865, 466960), (898, 449800), (1040, 388385), (1300, 310708), (1384, 291850), (1730, 233480), (1796, 224900), (2245, 179920), (2249, 179600), (2600, 155354), (2768, 145925), (3460, 116740), (3592, 112450), (4325, 93392), (4490, 89960), (4498, 89800), (5200, 77677), (5837, 69200), (6920, 58370), (7184, 56225), (8650, 46696), (8980, 44980), (8996, 44900), (11225, 35984), (11245, 35920), (11674, 34600), (13840, 29185), (17300, 23348), (17960, 22490), (17992, 22450)]