51345420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122251}}^1$

素因数の和:122270

約数の個数: 48

約数和(自身を含む): 164306688

約数和(自身を除く): 112961268

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, 122251, 244502, 366753, 489004, 611255, 733506, 855757, 1222510, 1467012, 1711514, 1833765, 2445020, 2567271, 3423028, 3667530, 4278785, 5134542, 7335060, 8557570, 10269084, 12836355, 17115140, 25672710, 51345420]

約数ペア:

[(1, 51345420), (2, 25672710), (3, 17115140), (4, 12836355), (5, 10269084), (6, 8557570), (7, 7335060), (10, 5134542), (12, 4278785), (14, 3667530), (15, 3423028), (20, 2567271), (21, 2445020), (28, 1833765), (30, 1711514), (35, 1467012), (42, 1222510), (60, 855757), (70, 733506), (84, 611255), (105, 489004), (140, 366753), (210, 244502), (420, 122251)]