427334890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{36871}}^1$

素因数の和:36958

約数の個数: 32

約数和(自身を含む): 822983040

約数和(自身を除く): 395648150

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 5795, 11590, 36871, 73742, 184355, 368710, 700549, 1401098, 2249131, 3502745, 4498262, 7005490, 11245655, 22491310, 42733489, 85466978, 213667445, 427334890]

約数ペア:

[(1, 427334890), (2, 213667445), (5, 85466978), (10, 42733489), (19, 22491310), (38, 11245655), (61, 7005490), (95, 4498262), (122, 3502745), (190, 2249131), (305, 1401098), (610, 700549), (1159, 368710), (2318, 184355), (5795, 73742), (11590, 36871)]