661862063620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1471}}^1\times {\mathrm{5581}}^1$

素因数の和:7229

約数の個数: 96

約数和(自身を含む): 1449426585600

約数和(自身を除く): 787564521980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 1471, 2780, 2942, 4031, 5581, 5884, 7355, 8062, 11162, 14710, 16124, 20155, 22324, 27905, 29420, 40310, 42659, 55810, 80620, 85318, 111620, 161849, 170636, 204469, 213295, 323698, 408938, 426590, 647396, 775759, 809245, 817876, 853180, 1022345, 1551518, 1618490, 2044690, 3103036, 3236980, 3878795, 4089380, 5929601, 7757590, 8209651, 11859202, 15515180, 16419302, 22497011, 23718404, 29648005, 32838604, 41048255, 44994022, 59296010, 82096510, 89988044, 112485055, 118592020, 164193020, 224970110, 238079879, 449940220, 476159758, 952319516, 1141141489, 1190399395, 2282282978, 2380798790, 4564565956, 4761597580, 5705707445, 11411414890, 22822829780, 33093103181, 66186206362, 132372412724, 165465515905, 330931031810, 661862063620]

約数ペア:

[(1, 661862063620), (2, 330931031810), (4, 165465515905), (5, 132372412724), (10, 66186206362), (20, 33093103181), (29, 22822829780), (58, 11411414890), (116, 5705707445), (139, 4761597580), (145, 4564565956), (278, 2380798790), (290, 2282282978), (556, 1190399395), (580, 1141141489), (695, 952319516), (1390, 476159758), (1471, 449940220), (2780, 238079879), (2942, 224970110), (4031, 164193020), (5581, 118592020), (5884, 112485055), (7355, 89988044), (8062, 82096510), (11162, 59296010), (14710, 44994022), (16124, 41048255), (20155, 32838604), (22324, 29648005), (27905, 23718404), (29420, 22497011), (40310, 16419302), (42659, 15515180), (55810, 11859202), (80620, 8209651), (85318, 7757590), (111620, 5929601), (161849, 4089380), (170636, 3878795), (204469, 3236980), (213295, 3103036), (323698, 2044690), (408938, 1618490), (426590, 1551518), (647396, 1022345), (775759, 853180), (809245, 817876)]