420266665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 628864128

約数和(自身を除く): 208597463

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 227, 313, 455, 845, 1135, 1183, 1565, 1589, 2191, 2951, 4069, 5915, 7945, 10955, 14755, 20345, 20657, 28483, 38363, 52897, 71051, 103285, 142415, 191815, 264485, 268541, 355255, 370279, 497357, 923663, 1342705, 1851395, 2486785, 4618315, 6465641, 12007619, 32328205, 60038095, 84053333, 420266665]

約数ペア:

[(1, 420266665), (5, 84053333), (7, 60038095), (13, 32328205), (35, 12007619), (65, 6465641), (91, 4618315), (169, 2486785), (227, 1851395), (313, 1342705), (455, 923663), (845, 497357), (1135, 370279), (1183, 355255), (1565, 268541), (1589, 264485), (2191, 191815), (2951, 142415), (4069, 103285), (5915, 71051), (7945, 52897), (10955, 38363), (14755, 28483), (20345, 20657)]