310595180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{31247}}^1$

素因数の和:31334

約数の個数: 48

約数和(自身を含む): 755951616

約数和(自身を除く): 445356436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 31247, 62494, 124988, 156235, 218729, 312470, 437458, 624940, 874916, 1093645, 2187290, 2218537, 4374580, 4437074, 8874148, 11092685, 15529759, 22185370, 31059518, 44370740, 62119036, 77648795, 155297590, 310595180]

約数ペア:

[(1, 310595180), (2, 155297590), (4, 77648795), (5, 62119036), (7, 44370740), (10, 31059518), (14, 22185370), (20, 15529759), (28, 11092685), (35, 8874148), (70, 4437074), (71, 4374580), (140, 2218537), (142, 2187290), (284, 1093645), (355, 874916), (497, 624940), (710, 437458), (994, 312470), (1420, 218729), (1988, 156235), (2485, 124988), (4970, 62494), (9940, 31247)]