77903980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{50587}}^1$

素因数の和:50614

約数の個数: 48

約数和(自身を含む): 203970816

約数和(自身を除く): 126066836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 50587, 101174, 202348, 252935, 354109, 505870, 556457, 708218, 1011740, 1112914, 1416436, 1770545, 2225828, 2782285, 3541090, 3895199, 5564570, 7082180, 7790398, 11129140, 15580796, 19475995, 38951990, 77903980]

約数ペア:

[(1, 77903980), (2, 38951990), (4, 19475995), (5, 15580796), (7, 11129140), (10, 7790398), (11, 7082180), (14, 5564570), (20, 3895199), (22, 3541090), (28, 2782285), (35, 2225828), (44, 1770545), (55, 1416436), (70, 1112914), (77, 1011740), (110, 708218), (140, 556457), (154, 505870), (220, 354109), (308, 252935), (385, 202348), (770, 101174), (1540, 50587)]