39721990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 90408960

約数和(自身を除く): 50686970

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 79, 110, 154, 158, 385, 395, 553, 653, 770, 790, 869, 1106, 1306, 1738, 2765, 3265, 4345, 4571, 5530, 6083, 6530, 7183, 8690, 9142, 12166, 14366, 22855, 30415, 35915, 45710, 50281, 51587, 60830, 71830, 100562, 103174, 251405, 257935, 361109, 502810, 515870, 567457, 722218, 1134914, 1805545, 2837285, 3611090, 3972199, 5674570, 7944398, 19860995, 39721990]

約数ペア:

[(1, 39721990), (2, 19860995), (5, 7944398), (7, 5674570), (10, 3972199), (11, 3611090), (14, 2837285), (22, 1805545), (35, 1134914), (55, 722218), (70, 567457), (77, 515870), (79, 502810), (110, 361109), (154, 257935), (158, 251405), (385, 103174), (395, 100562), (553, 71830), (653, 60830), (770, 51587), (790, 50281), (869, 45710), (1106, 35915), (1306, 30415), (1738, 22855), (2765, 14366), (3265, 12166), (4345, 9142), (4571, 8690), (5530, 7183), (6083, 6530)]