29762680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 69400800

約数和(自身を除く): 39638120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 139, 202, 212, 265, 278, 404, 424, 505, 530, 556, 695, 808, 1010, 1060, 1112, 1390, 2020, 2120, 2780, 4040, 5353, 5560, 7367, 10706, 14039, 14734, 21412, 26765, 28078, 29468, 36835, 42824, 53530, 56156, 58936, 70195, 73670, 107060, 112312, 140390, 147340, 214120, 280780, 294680, 561560, 744067, 1488134, 2976268, 3720335, 5952536, 7440670, 14881340, 29762680]

約数ペア:

[(1, 29762680), (2, 14881340), (4, 7440670), (5, 5952536), (8, 3720335), (10, 2976268), (20, 1488134), (40, 744067), (53, 561560), (101, 294680), (106, 280780), (139, 214120), (202, 147340), (212, 140390), (265, 112312), (278, 107060), (404, 73670), (424, 70195), (505, 58936), (530, 56156), (556, 53530), (695, 42824), (808, 36835), (1010, 29468), (1060, 28078), (1112, 26765), (1390, 21412), (2020, 14734), (2120, 14039), (2780, 10706), (4040, 7367), (5353, 5560)]