51977940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123757}}^1$

素因数の和:123776

約数の個数: 48

約数和(自身を含む): 166330752

約数和(自身を除く): 114352812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 123757, 247514, 371271, 495028, 618785, 742542, 866299, 1237570, 1485084, 1732598, 1856355, 2475140, 2598897, 3465196, 3712710, 4331495, 5197794, 7425420, 8662990, 10395588, 12994485, 17325980, 25988970, 51977940]

約数ペア:

[(1, 51977940), (2, 25988970), (3, 17325980), (4, 12994485), (5, 10395588), (6, 8662990), (7, 7425420), (10, 5197794), (12, 4331495), (14, 3712710), (15, 3465196), (20, 2598897), (21, 2475140), (28, 1856355), (30, 1732598), (35, 1485084), (42, 1237570), (60, 866299), (70, 742542), (84, 618785), (105, 495028), (140, 371271), (210, 247514), (420, 123757)]