671478850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{4493}}^1$

素因数の和:4580

約数の個数: 72

約数和(自身を含む): 1477007028

約数和(自身を除く): 805528178

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 122, 175, 245, 305, 350, 427, 490, 610, 854, 1225, 1525, 2135, 2450, 2989, 3050, 4270, 4493, 5978, 8986, 10675, 14945, 21350, 22465, 29890, 31451, 44930, 62902, 74725, 112325, 149450, 157255, 220157, 224650, 274073, 314510, 440314, 548146, 786275, 1100785, 1370365, 1572550, 1918511, 2201570, 2740730, 3837022, 5503925, 6851825, 9592555, 11007850, 13429577, 13703650, 19185110, 26859154, 47962775, 67147885, 95925550, 134295770, 335739425, 671478850]

約数ペア:

[(1, 671478850), (2, 335739425), (5, 134295770), (7, 95925550), (10, 67147885), (14, 47962775), (25, 26859154), (35, 19185110), (49, 13703650), (50, 13429577), (61, 11007850), (70, 9592555), (98, 6851825), (122, 5503925), (175, 3837022), (245, 2740730), (305, 2201570), (350, 1918511), (427, 1572550), (490, 1370365), (610, 1100785), (854, 786275), (1225, 548146), (1525, 440314), (2135, 314510), (2450, 274073), (2989, 224650), (3050, 220157), (4270, 157255), (4493, 149450), (5978, 112325), (8986, 74725), (10675, 62902), (14945, 44930), (21350, 31451), (22465, 29890)]