1388014040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1499}}^1\times {\mathrm{3307}}^1$

素因数の和:4824

約数の個数: 64

約数和(自身を含む): 3572640000

約数和(自身を除く): 2184625960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1499, 2998, 3307, 5996, 6614, 7495, 10493, 11992, 13228, 14990, 16535, 20986, 23149, 26456, 29980, 33070, 41972, 46298, 52465, 59960, 66140, 83944, 92596, 104930, 115745, 132280, 185192, 209860, 231490, 419720, 462980, 925960, 4957193, 9914386, 19828772, 24785965, 34700351, 39657544, 49571930, 69400702, 99143860, 138801404, 173501755, 198287720, 277602808, 347003510, 694007020, 1388014040]

約数ペア:

[(1, 1388014040), (2, 694007020), (4, 347003510), (5, 277602808), (7, 198287720), (8, 173501755), (10, 138801404), (14, 99143860), (20, 69400702), (28, 49571930), (35, 39657544), (40, 34700351), (56, 24785965), (70, 19828772), (140, 9914386), (280, 4957193), (1499, 925960), (2998, 462980), (3307, 419720), (5996, 231490), (6614, 209860), (7495, 185192), (10493, 132280), (11992, 115745), (13228, 104930), (14990, 92596), (16535, 83944), (20986, 66140), (23149, 59960), (26456, 52465), (29980, 46298), (33070, 41972)]