72443420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{929}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 174363840

約数和(自身を除く): 101920420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 929, 1114, 1858, 2228, 2785, 3716, 3899, 4645, 5570, 6503, 7798, 9290, 11140, 13006, 15596, 18580, 19495, 26012, 32515, 38990, 65030, 77980, 130060, 517453, 1034906, 2069812, 2587265, 3622171, 5174530, 7244342, 10349060, 14488684, 18110855, 36221710, 72443420]

約数ペア:

[(1, 72443420), (2, 36221710), (4, 18110855), (5, 14488684), (7, 10349060), (10, 7244342), (14, 5174530), (20, 3622171), (28, 2587265), (35, 2069812), (70, 1034906), (140, 517453), (557, 130060), (929, 77980), (1114, 65030), (1858, 38990), (2228, 32515), (2785, 26012), (3716, 19495), (3899, 18580), (4645, 15596), (5570, 13006), (6503, 11140), (7798, 9290)]