28682220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1519

約数の個数: 96

約数和(自身を含む): 93800448

約数和(自身を除く): 65118228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1453, 1645, 1974, 2820, 2906, 3290, 3948, 4359, 4935, 5812, 6580, 7265, 8718, 9870, 10171, 14530, 17436, 19740, 20342, 21795, 29060, 30513, 40684, 43590, 50855, 61026, 68291, 87180, 101710, 122052, 136582, 152565, 203420, 204873, 273164, 305130, 341455, 409746, 478037, 610260, 682910, 819492, 956074, 1024365, 1365820, 1434111, 1912148, 2048730, 2390185, 2868222, 4097460, 4780370, 5736444, 7170555, 9560740, 14341110, 28682220]

約数ペア:

[(1, 28682220), (2, 14341110), (3, 9560740), (4, 7170555), (5, 5736444), (6, 4780370), (7, 4097460), (10, 2868222), (12, 2390185), (14, 2048730), (15, 1912148), (20, 1434111), (21, 1365820), (28, 1024365), (30, 956074), (35, 819492), (42, 682910), (47, 610260), (60, 478037), (70, 409746), (84, 341455), (94, 305130), (105, 273164), (140, 204873), (141, 203420), (188, 152565), (210, 136582), (235, 122052), (282, 101710), (329, 87180), (420, 68291), (470, 61026), (564, 50855), (658, 43590), (705, 40684), (940, 30513), (987, 29060), (1316, 21795), (1410, 20342), (1453, 19740), (1645, 17436), (1974, 14530), (2820, 10171), (2906, 9870), (3290, 8718), (3948, 7265), (4359, 6580), (4935, 5812)]