421289570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 837817344

約数和(自身を除く): 416527774

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 103, 130, 146, 206, 365, 431, 515, 730, 862, 949, 1030, 1339, 1898, 2155, 2678, 4310, 4745, 5603, 6695, 7519, 9490, 11206, 13390, 15038, 28015, 31463, 37595, 44393, 56030, 62926, 75190, 88786, 97747, 157315, 195494, 221965, 314630, 409019, 443930, 488735, 577109, 818038, 977470, 1154218, 2045095, 2885545, 3240689, 4090190, 5771090, 6481378, 16203445, 32406890, 42128957, 84257914, 210644785, 421289570]

約数ペア:

[(1, 421289570), (2, 210644785), (5, 84257914), (10, 42128957), (13, 32406890), (26, 16203445), (65, 6481378), (73, 5771090), (103, 4090190), (130, 3240689), (146, 2885545), (206, 2045095), (365, 1154218), (431, 977470), (515, 818038), (730, 577109), (862, 488735), (949, 443930), (1030, 409019), (1339, 314630), (1898, 221965), (2155, 195494), (2678, 157315), (4310, 97747), (4745, 88786), (5603, 75190), (6695, 62926), (7519, 56030), (9490, 44393), (11206, 37595), (13390, 31463), (15038, 28015)]