28304244740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:1093

約数の個数: 96

約数和(自身を含む): 61066481280

約数和(自身を除く): 32762236540

約数列:

[1, 2, 4, 5, 10, 20, 73, 139, 146, 211, 278, 292, 365, 422, 556, 661, 695, 730, 844, 1055, 1322, 1390, 1460, 2110, 2644, 2780, 3305, 4220, 6610, 10147, 13220, 15403, 20294, 29329, 30806, 40588, 48253, 50735, 58658, 61612, 77015, 91879, 96506, 101470, 117316, 139471, 146645, 154030, 183758, 193012, 202940, 241265, 278942, 293290, 308060, 367516, 459395, 482530, 557884, 586580, 697355, 918790, 965060, 1394710, 1837580, 2141017, 2789420, 4282034, 6707167, 8564068, 10181383, 10705085, 13414334, 19386469, 20362766, 21410170, 26828668, 33535835, 38772938, 40725532, 42820340, 50906915, 67071670, 77545876, 96932345, 101813830, 134143340, 193864690, 203627660, 387729380, 1415212237, 2830424474, 5660848948, 7076061185, 14152122370, 28304244740]

約数ペア:

[(1, 28304244740), (2, 14152122370), (4, 7076061185), (5, 5660848948), (10, 2830424474), (20, 1415212237), (73, 387729380), (139, 203627660), (146, 193864690), (211, 134143340), (278, 101813830), (292, 96932345), (365, 77545876), (422, 67071670), (556, 50906915), (661, 42820340), (695, 40725532), (730, 38772938), (844, 33535835), (1055, 26828668), (1322, 21410170), (1390, 20362766), (1460, 19386469), (2110, 13414334), (2644, 10705085), (2780, 10181383), (3305, 8564068), (4220, 6707167), (6610, 4282034), (10147, 2789420), (13220, 2141017), (15403, 1837580), (20294, 1394710), (29329, 965060), (30806, 918790), (40588, 697355), (48253, 586580), (50735, 557884), (58658, 482530), (61612, 459395), (77015, 367516), (91879, 308060), (96506, 293290), (101470, 278942), (117316, 241265), (139471, 202940), (146645, 193012), (154030, 183758)]