397365690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{51539}}^1$

素因数の和:51806

約数の個数: 32

約数和(自身を含む): 957407040

約数和(自身を除く): 560041350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2570, 3855, 7710, 51539, 103078, 154617, 257695, 309234, 515390, 773085, 1546170, 13245523, 26491046, 39736569, 66227615, 79473138, 132455230, 198682845, 397365690]

約数ペア:

[(1, 397365690), (2, 198682845), (3, 132455230), (5, 79473138), (6, 66227615), (10, 39736569), (15, 26491046), (30, 13245523), (257, 1546170), (514, 773085), (771, 515390), (1285, 309234), (1542, 257695), (2570, 154617), (3855, 103078), (7710, 51539)]