490203428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^3\times {\mathrm{461}}^1$

素因数の和:526

約数の個数: 72

約数和(自身を含む): 1023690360

約数和(自身を除く): 533486932

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 169, 242, 286, 338, 461, 484, 572, 676, 922, 1573, 1844, 1859, 2197, 3146, 3718, 4394, 5071, 5993, 6292, 7436, 8788, 10142, 11986, 20284, 20449, 23972, 24167, 40898, 48334, 55781, 65923, 77909, 81796, 96668, 111562, 131846, 155818, 223124, 263692, 265837, 311636, 531674, 725153, 856999, 1012817, 1063348, 1450306, 1713998, 2025634, 2900612, 3427996, 4051268, 9426989, 11140987, 18853978, 22281974, 37707956, 44563948, 122550857, 245101714, 490203428]

約数ペア:

[(1, 490203428), (2, 245101714), (4, 122550857), (11, 44563948), (13, 37707956), (22, 22281974), (26, 18853978), (44, 11140987), (52, 9426989), (121, 4051268), (143, 3427996), (169, 2900612), (242, 2025634), (286, 1713998), (338, 1450306), (461, 1063348), (484, 1012817), (572, 856999), (676, 725153), (922, 531674), (1573, 311636), (1844, 265837), (1859, 263692), (2197, 223124), (3146, 155818), (3718, 131846), (4394, 111562), (5071, 96668), (5993, 81796), (6292, 77909), (7436, 65923), (8788, 55781), (10142, 48334), (11986, 40898), (20284, 24167), (20449, 23972)]