218260510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 434871360

約数和(自身を除く): 216610850

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 109, 130, 146, 211, 218, 365, 422, 545, 730, 949, 1055, 1090, 1417, 1898, 2110, 2743, 2834, 4745, 5486, 7085, 7957, 9490, 13715, 14170, 15403, 15914, 22999, 27430, 30806, 39785, 45998, 77015, 79570, 103441, 114995, 154030, 200239, 206882, 229990, 298987, 400478, 517205, 597974, 1001195, 1034410, 1494935, 1678927, 2002390, 2989870, 3357854, 8394635, 16789270, 21826051, 43652102, 109130255, 218260510]

約数ペア:

[(1, 218260510), (2, 109130255), (5, 43652102), (10, 21826051), (13, 16789270), (26, 8394635), (65, 3357854), (73, 2989870), (109, 2002390), (130, 1678927), (146, 1494935), (211, 1034410), (218, 1001195), (365, 597974), (422, 517205), (545, 400478), (730, 298987), (949, 229990), (1055, 206882), (1090, 200239), (1417, 154030), (1898, 114995), (2110, 103441), (2743, 79570), (2834, 77015), (4745, 45998), (5486, 39785), (7085, 30806), (7957, 27430), (9490, 22999), (13715, 15914), (14170, 15403)]