140908408

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 282275280

約数和(自身を除く): 141366872

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 361, 388, 503, 722, 776, 1006, 1444, 1843, 2012, 2888, 3686, 4024, 7372, 9557, 14744, 19114, 35017, 38228, 48791, 70034, 76456, 97582, 140068, 181583, 195164, 280136, 363166, 390328, 726332, 927029, 1452664, 1854058, 3708116, 7416232, 17613551, 35227102, 70454204, 140908408]

約数ペア:

[(1, 140908408), (2, 70454204), (4, 35227102), (8, 17613551), (19, 7416232), (38, 3708116), (76, 1854058), (97, 1452664), (152, 927029), (194, 726332), (361, 390328), (388, 363166), (503, 280136), (722, 195164), (776, 181583), (1006, 140068), (1444, 97582), (1843, 76456), (2012, 70034), (2888, 48791), (3686, 38228), (4024, 35017), (7372, 19114), (9557, 14744)]