63400940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 136012800

約数和(自身を除く): 72611860

約数列:

[1, 2, 4, 5, 10, 20, 109, 127, 218, 229, 254, 436, 458, 508, 545, 635, 916, 1090, 1145, 1270, 2180, 2290, 2540, 4580, 13843, 24961, 27686, 29083, 49922, 55372, 58166, 69215, 99844, 116332, 124805, 138430, 145415, 249610, 276860, 290830, 499220, 581660, 3170047, 6340094, 12680188, 15850235, 31700470, 63400940]

約数ペア:

[(1, 63400940), (2, 31700470), (4, 15850235), (5, 12680188), (10, 6340094), (20, 3170047), (109, 581660), (127, 499220), (218, 290830), (229, 276860), (254, 249610), (436, 145415), (458, 138430), (508, 124805), (545, 116332), (635, 99844), (916, 69215), (1090, 58166), (1145, 55372), (1270, 49922), (2180, 29083), (2290, 27686), (2540, 24961), (4580, 13843)]