313391320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1973}}^1$

素因数の和:2033

約数の個数: 96

約数和(自身を含む): 812261520

約数和(自身を除く): 498870200

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 361, 380, 418, 440, 722, 760, 836, 1045, 1444, 1672, 1805, 1973, 2090, 2888, 3610, 3946, 3971, 4180, 7220, 7892, 7942, 8360, 9865, 14440, 15784, 15884, 19730, 19855, 21703, 31768, 37487, 39460, 39710, 43406, 74974, 78920, 79420, 86812, 108515, 149948, 158840, 173624, 187435, 217030, 299896, 374870, 412357, 434060, 712253, 749740, 824714, 868120, 1424506, 1499480, 1649428, 2061785, 2849012, 3298856, 3561265, 4123570, 5698024, 7122530, 7834783, 8247140, 14245060, 15669566, 16494280, 28490120, 31339132, 39173915, 62678264, 78347830, 156695660, 313391320]

約数ペア:

[(1, 313391320), (2, 156695660), (4, 78347830), (5, 62678264), (8, 39173915), (10, 31339132), (11, 28490120), (19, 16494280), (20, 15669566), (22, 14245060), (38, 8247140), (40, 7834783), (44, 7122530), (55, 5698024), (76, 4123570), (88, 3561265), (95, 3298856), (110, 2849012), (152, 2061785), (190, 1649428), (209, 1499480), (220, 1424506), (361, 868120), (380, 824714), (418, 749740), (440, 712253), (722, 434060), (760, 412357), (836, 374870), (1045, 299896), (1444, 217030), (1672, 187435), (1805, 173624), (1973, 158840), (2090, 149948), (2888, 108515), (3610, 86812), (3946, 79420), (3971, 78920), (4180, 74974), (7220, 43406), (7892, 39710), (7942, 39460), (8360, 37487), (9865, 31768), (14440, 21703), (15784, 19855), (15884, 19730)]