1801660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 4584384

約数和(自身を除く): 2782724

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 757, 1190, 1514, 2380, 3028, 3785, 5299, 7570, 10598, 12869, 15140, 21196, 25738, 26495, 51476, 52990, 64345, 90083, 105980, 128690, 180166, 257380, 360332, 450415, 900830, 1801660]

約数ペア:

[(1, 1801660), (2, 900830), (4, 450415), (5, 360332), (7, 257380), (10, 180166), (14, 128690), (17, 105980), (20, 90083), (28, 64345), (34, 52990), (35, 51476), (68, 26495), (70, 25738), (85, 21196), (119, 15140), (140, 12869), (170, 10598), (238, 7570), (340, 5299), (476, 3785), (595, 3028), (757, 2380), (1190, 1514)]