36865580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 79380000

約数和(自身を除く): 42514420

約数列:

[1, 2, 4, 5, 10, 20, 89, 139, 149, 178, 278, 298, 356, 445, 556, 596, 695, 745, 890, 1390, 1490, 1780, 2780, 2980, 12371, 13261, 20711, 24742, 26522, 41422, 49484, 53044, 61855, 66305, 82844, 103555, 123710, 132610, 207110, 247420, 265220, 414220, 1843279, 3686558, 7373116, 9216395, 18432790, 36865580]

約数ペア:

[(1, 36865580), (2, 18432790), (4, 9216395), (5, 7373116), (10, 3686558), (20, 1843279), (89, 414220), (139, 265220), (149, 247420), (178, 207110), (278, 132610), (298, 123710), (356, 103555), (445, 82844), (556, 66305), (596, 61855), (695, 53044), (745, 49484), (890, 41422), (1390, 26522), (1490, 24742), (1780, 20711), (2780, 13261), (2980, 12371)]