212280770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 423118080

約数和(自身を除く): 210837310

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 109, 130, 142, 211, 218, 355, 422, 545, 710, 923, 1055, 1090, 1417, 1846, 2110, 2743, 2834, 4615, 5486, 7085, 7739, 9230, 13715, 14170, 14981, 15478, 22999, 27430, 29962, 38695, 45998, 74905, 77390, 100607, 114995, 149810, 194753, 201214, 229990, 298987, 389506, 503035, 597974, 973765, 1006070, 1494935, 1632929, 1947530, 2989870, 3265858, 8164645, 16329290, 21228077, 42456154, 106140385, 212280770]

約数ペア:

[(1, 212280770), (2, 106140385), (5, 42456154), (10, 21228077), (13, 16329290), (26, 8164645), (65, 3265858), (71, 2989870), (109, 1947530), (130, 1632929), (142, 1494935), (211, 1006070), (218, 973765), (355, 597974), (422, 503035), (545, 389506), (710, 298987), (923, 229990), (1055, 201214), (1090, 194753), (1417, 149810), (1846, 114995), (2110, 100607), (2743, 77390), (2834, 74905), (4615, 45998), (5486, 38695), (7085, 29962), (7739, 27430), (9230, 22999), (13715, 15478), (14170, 14981)]