189976970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{2549}}^1$

素因数の和:2842

約数の個数: 32

約数和(自身を含む): 355266000

約数和(自身を除く): 165289030

約数列:

[1, 2, 5, 10, 29, 58, 145, 257, 290, 514, 1285, 2549, 2570, 5098, 7453, 12745, 14906, 25490, 37265, 73921, 74530, 147842, 369605, 655093, 739210, 1310186, 3275465, 6550930, 18997697, 37995394, 94988485, 189976970]

約数ペア:

[(1, 189976970), (2, 94988485), (5, 37995394), (10, 18997697), (29, 6550930), (58, 3275465), (145, 1310186), (257, 739210), (290, 655093), (514, 369605), (1285, 147842), (2549, 74530), (2570, 73921), (5098, 37265), (7453, 25490), (12745, 14906)]