87887940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209257}}^1$

素因数の和:209276

約数の個数: 48

約数和(自身を含む): 281242752

約数和(自身を除く): 193354812

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, 209257, 418514, 627771, 837028, 1046285, 1255542, 1464799, 2092570, 2511084, 2929598, 3138855, 4185140, 4394397, 5859196, 6277710, 7323995, 8788794, 12555420, 14647990, 17577588, 21971985, 29295980, 43943970, 87887940]

約数ペア:

[(1, 87887940), (2, 43943970), (3, 29295980), (4, 21971985), (5, 17577588), (6, 14647990), (7, 12555420), (10, 8788794), (12, 7323995), (14, 6277710), (15, 5859196), (20, 4394397), (21, 4185140), (28, 3138855), (30, 2929598), (35, 2511084), (42, 2092570), (60, 1464799), (70, 1255542), (84, 1046285), (105, 837028), (140, 627771), (210, 418514), (420, 209257)]