287781680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{116041}}^1$

素因数の和:116085

約数の個数: 40

約数和(自身を含む): 690681984

約数和(自身を除く): 402900304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 116041, 232082, 464164, 580205, 928328, 1160410, 1856656, 2320820, 3597271, 4641640, 7194542, 9283280, 14389084, 17986355, 28778168, 35972710, 57556336, 71945420, 143890840, 287781680]

約数ペア:

[(1, 287781680), (2, 143890840), (4, 71945420), (5, 57556336), (8, 35972710), (10, 28778168), (16, 17986355), (20, 14389084), (31, 9283280), (40, 7194542), (62, 4641640), (80, 3597271), (124, 2320820), (155, 1856656), (248, 1160410), (310, 928328), (496, 580205), (620, 464164), (1240, 232082), (2480, 116041)]