2209490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 4327344

約数和(自身を除く): 2117854

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 317, 410, 634, 697, 1394, 1585, 3170, 3485, 5389, 6970, 10778, 12997, 25994, 26945, 53890, 64985, 129970, 220949, 441898, 1104745, 2209490]

約数ペア:

[(1, 2209490), (2, 1104745), (5, 441898), (10, 220949), (17, 129970), (34, 64985), (41, 53890), (82, 26945), (85, 25994), (170, 12997), (205, 10778), (317, 6970), (410, 5389), (634, 3485), (697, 3170), (1394, 1585)]