788390840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{3137}}^1$

素因数の和:3312

約数の個数: 64

約数和(自身を含む): 1821044160

約数和(自身を除く): 1032653320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 122, 206, 244, 305, 412, 488, 515, 610, 824, 1030, 1220, 2060, 2440, 3137, 4120, 6274, 6283, 12548, 12566, 15685, 25096, 25132, 31370, 31415, 50264, 62740, 62830, 125480, 125660, 191357, 251320, 323111, 382714, 646222, 765428, 956785, 1292444, 1530856, 1615555, 1913570, 2584888, 3231110, 3827140, 6462220, 7654280, 12924440, 19709771, 39419542, 78839084, 98548855, 157678168, 197097710, 394195420, 788390840]

約数ペア:

[(1, 788390840), (2, 394195420), (4, 197097710), (5, 157678168), (8, 98548855), (10, 78839084), (20, 39419542), (40, 19709771), (61, 12924440), (103, 7654280), (122, 6462220), (206, 3827140), (244, 3231110), (305, 2584888), (412, 1913570), (488, 1615555), (515, 1530856), (610, 1292444), (824, 956785), (1030, 765428), (1220, 646222), (2060, 382714), (2440, 323111), (3137, 251320), (4120, 191357), (6274, 125660), (6283, 125480), (12548, 62830), (12566, 62740), (15685, 50264), (25096, 31415), (25132, 31370)]