1824779620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^2$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 4010852664

約数和(自身を除く): 2186073044

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 191, 205, 244, 305, 382, 410, 610, 764, 820, 955, 1220, 1910, 2501, 3820, 5002, 7831, 10004, 11651, 12505, 15662, 23302, 25010, 31324, 36481, 39155, 46604, 50020, 58255, 72962, 78310, 116510, 145924, 156620, 182405, 233020, 364810, 477691, 729620, 955382, 1495721, 1910764, 2225341, 2388455, 2991442, 4450682, 4776910, 5982884, 7478605, 8901364, 9553820, 11126705, 14957210, 22253410, 29914420, 44506820, 91238981, 182477962, 364955924, 456194905, 912389810, 1824779620]

約数ペア:

[(1, 1824779620), (2, 912389810), (4, 456194905), (5, 364955924), (10, 182477962), (20, 91238981), (41, 44506820), (61, 29914420), (82, 22253410), (122, 14957210), (164, 11126705), (191, 9553820), (205, 8901364), (244, 7478605), (305, 5982884), (382, 4776910), (410, 4450682), (610, 2991442), (764, 2388455), (820, 2225341), (955, 1910764), (1220, 1495721), (1910, 955382), (2501, 729620), (3820, 477691), (5002, 364810), (7831, 233020), (10004, 182405), (11651, 156620), (12505, 145924), (15662, 116510), (23302, 78310), (25010, 72962), (31324, 58255), (36481, 50020), (39155, 46604)]