389622250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 767763360

約数和(自身を除く): 378141110

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 61, 122, 125, 145, 250, 290, 305, 610, 725, 881, 1450, 1525, 1762, 1769, 3050, 3538, 3625, 4405, 7250, 7625, 8810, 8845, 15250, 17690, 22025, 25549, 44050, 44225, 51098, 53741, 88450, 107482, 110125, 127745, 220250, 221125, 255490, 268705, 442250, 537410, 638725, 1277450, 1343525, 1558489, 2687050, 3116978, 3193625, 6387250, 6717625, 7792445, 13435250, 15584890, 38962225, 77924450, 194811125, 389622250]

約数ペア:

[(1, 389622250), (2, 194811125), (5, 77924450), (10, 38962225), (25, 15584890), (29, 13435250), (50, 7792445), (58, 6717625), (61, 6387250), (122, 3193625), (125, 3116978), (145, 2687050), (250, 1558489), (290, 1343525), (305, 1277450), (610, 638725), (725, 537410), (881, 442250), (1450, 268705), (1525, 255490), (1762, 221125), (1769, 220250), (3050, 127745), (3538, 110125), (3625, 107482), (4405, 88450), (7250, 53741), (7625, 51098), (8810, 44225), (8845, 44050), (15250, 25549), (17690, 22025)]