291217935760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{117426587}}^1$

素因数の和:117426631

約数の個数: 40

約数和(自身を含む): 698923051776

約数和(自身を除く): 407705116016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 117426587, 234853174, 469706348, 587132935, 939412696, 1174265870, 1878825392, 2348531740, 3640224197, 4697063480, 7280448394, 9394126960, 14560896788, 18201120985, 29121793576, 36402241970, 58243587152, 72804483940, 145608967880, 291217935760]

約数ペア:

[(1, 291217935760), (2, 145608967880), (4, 72804483940), (5, 58243587152), (8, 36402241970), (10, 29121793576), (16, 18201120985), (20, 14560896788), (31, 9394126960), (40, 7280448394), (62, 4697063480), (80, 3640224197), (124, 2348531740), (155, 1878825392), (248, 1174265870), (310, 939412696), (496, 587132935), (620, 469706348), (1240, 234853174), (2480, 117426587)]