138183640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6247}}^1$

素因数の和:6344

約数の個数: 64

約数和(自身を含む): 359884800

約数和(自身を除く): 221701160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 6247, 11060, 12494, 22120, 24988, 31235, 43729, 49976, 62470, 87458, 124940, 174916, 218645, 249880, 349832, 437290, 493513, 874580, 987026, 1749160, 1974052, 2467565, 3454591, 3948104, 4935130, 6909182, 9870260, 13818364, 17272955, 19740520, 27636728, 34545910, 69091820, 138183640]

約数ペア:

[(1, 138183640), (2, 69091820), (4, 34545910), (5, 27636728), (7, 19740520), (8, 17272955), (10, 13818364), (14, 9870260), (20, 6909182), (28, 4935130), (35, 3948104), (40, 3454591), (56, 2467565), (70, 1974052), (79, 1749160), (140, 987026), (158, 874580), (280, 493513), (316, 437290), (395, 349832), (553, 249880), (632, 218645), (790, 174916), (1106, 124940), (1580, 87458), (2212, 62470), (2765, 49976), (3160, 43729), (4424, 31235), (5530, 24988), (6247, 22120), (11060, 12494)]