2439857560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{17747}}^1$

素因数の和:18256

約数の個数: 64

約数和(自身を含む): 6287051520

約数和(自身を除く): 3847193960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 491, 982, 1964, 2455, 3437, 3928, 4910, 6874, 9820, 13748, 17185, 17747, 19640, 27496, 34370, 35494, 68740, 70988, 88735, 124229, 137480, 141976, 177470, 248458, 354940, 496916, 621145, 709880, 993832, 1242290, 2484580, 4969160, 8713777, 17427554, 34855108, 43568885, 60996439, 69710216, 87137770, 121992878, 174275540, 243985756, 304982195, 348551080, 487971512, 609964390, 1219928780, 2439857560]

約数ペア:

[(1, 2439857560), (2, 1219928780), (4, 609964390), (5, 487971512), (7, 348551080), (8, 304982195), (10, 243985756), (14, 174275540), (20, 121992878), (28, 87137770), (35, 69710216), (40, 60996439), (56, 43568885), (70, 34855108), (140, 17427554), (280, 8713777), (491, 4969160), (982, 2484580), (1964, 1242290), (2455, 993832), (3437, 709880), (3928, 621145), (4910, 496916), (6874, 354940), (9820, 248458), (13748, 177470), (17185, 141976), (17747, 137480), (19640, 124229), (27496, 88735), (34370, 70988), (35494, 68740)]