20982364900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{3229}}^1\times {\mathrm{9283}}^1$

素因数の和:12533

約数の個数: 72

約数和(自身を含む): 52057987520

約数和(自身を除く): 31075622620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 3229, 6458, 9283, 12916, 16145, 18566, 22603, 32290, 37132, 45206, 46415, 64580, 64981, 80725, 90412, 92830, 113015, 129962, 161450, 185660, 226030, 232075, 259924, 322900, 324905, 452060, 464150, 565075, 649810, 928300, 1130150, 1299620, 1624525, 2260300, 3249050, 6498100, 29974807, 59949614, 119899228, 149874035, 209823649, 299748070, 419647298, 599496140, 749370175, 839294596, 1049118245, 1498740350, 2098236490, 2997480700, 4196472980, 5245591225, 10491182450, 20982364900]

約数ペア:

[(1, 20982364900), (2, 10491182450), (4, 5245591225), (5, 4196472980), (7, 2997480700), (10, 2098236490), (14, 1498740350), (20, 1049118245), (25, 839294596), (28, 749370175), (35, 599496140), (50, 419647298), (70, 299748070), (100, 209823649), (140, 149874035), (175, 119899228), (350, 59949614), (700, 29974807), (3229, 6498100), (6458, 3249050), (9283, 2260300), (12916, 1624525), (16145, 1299620), (18566, 1130150), (22603, 928300), (32290, 649810), (37132, 565075), (45206, 464150), (46415, 452060), (64580, 324905), (64981, 322900), (80725, 259924), (90412, 232075), (92830, 226030), (113015, 185660), (129962, 161450)]