201670465820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1\times {\mathrm{161779}}^1$

素因数の和:162342

約数の個数: 48

約数和(自身を含む): 427281687840

約数和(自身を除く): 225611222020

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 397, 628, 785, 794, 1570, 1588, 1985, 3140, 3970, 7940, 62329, 124658, 161779, 249316, 311645, 323558, 623290, 647116, 808895, 1246580, 1617790, 3235580, 25399303, 50798606, 64226263, 101597212, 126996515, 128452526, 253993030, 256905052, 321131315, 507986060, 642262630, 1284525260, 10083523291, 20167046582, 40334093164, 50417616455, 100835232910, 201670465820]

約数ペア:

[(1, 201670465820), (2, 100835232910), (4, 50417616455), (5, 40334093164), (10, 20167046582), (20, 10083523291), (157, 1284525260), (314, 642262630), (397, 507986060), (628, 321131315), (785, 256905052), (794, 253993030), (1570, 128452526), (1588, 126996515), (1985, 101597212), (3140, 64226263), (3970, 50798606), (7940, 25399303), (62329, 3235580), (124658, 1617790), (161779, 1246580), (249316, 808895), (311645, 647116), (323558, 623290)]