1601380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 3810240

約数和(自身を除く): 2208860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 251, 290, 319, 502, 580, 638, 1004, 1255, 1276, 1595, 2510, 2761, 3190, 5020, 5522, 6380, 7279, 11044, 13805, 14558, 27610, 29116, 36395, 55220, 72790, 80069, 145580, 160138, 320276, 400345, 800690, 1601380]

約数ペア:

[(1, 1601380), (2, 800690), (4, 400345), (5, 320276), (10, 160138), (11, 145580), (20, 80069), (22, 72790), (29, 55220), (44, 36395), (55, 29116), (58, 27610), (110, 14558), (116, 13805), (145, 11044), (220, 7279), (251, 6380), (290, 5522), (319, 5020), (502, 3190), (580, 2761), (638, 2510), (1004, 1595), (1255, 1276)]