87609740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 188697600

約数和(自身を除く): 101087860

約数列:

[1, 2, 4, 5, 10, 20, 71, 103, 142, 206, 284, 355, 412, 515, 599, 710, 1030, 1198, 1420, 2060, 2396, 2995, 5990, 7313, 11980, 14626, 29252, 36565, 42529, 61697, 73130, 85058, 123394, 146260, 170116, 212645, 246788, 308485, 425290, 616970, 850580, 1233940, 4380487, 8760974, 17521948, 21902435, 43804870, 87609740]

約数ペア:

[(1, 87609740), (2, 43804870), (4, 21902435), (5, 17521948), (10, 8760974), (20, 4380487), (71, 1233940), (103, 850580), (142, 616970), (206, 425290), (284, 308485), (355, 246788), (412, 212645), (515, 170116), (599, 146260), (710, 123394), (1030, 85058), (1198, 73130), (1420, 61697), (2060, 42529), (2396, 36565), (2995, 29252), (5990, 14626), (7313, 11980)]