2018897510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1321}}^1\times {\mathrm{3119}}^1$

素因数の和:4461

約数の個数: 48

約数和(自身を含む): 4231880640

約数和(自身を除く): 2212983130

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1321, 2642, 3119, 6238, 6605, 9247, 13210, 15595, 18494, 21833, 31190, 43666, 46235, 64729, 92470, 109165, 129458, 152831, 218330, 305662, 323645, 647290, 764155, 1528310, 4120199, 8240398, 20600995, 28841393, 41201990, 57682786, 144206965, 201889751, 288413930, 403779502, 1009448755, 2018897510]

約数ペア:

[(1, 2018897510), (2, 1009448755), (5, 403779502), (7, 288413930), (10, 201889751), (14, 144206965), (35, 57682786), (49, 41201990), (70, 28841393), (98, 20600995), (245, 8240398), (490, 4120199), (1321, 1528310), (2642, 764155), (3119, 647290), (6238, 323645), (6605, 305662), (9247, 218330), (13210, 152831), (15595, 129458), (18494, 109165), (21833, 92470), (31190, 64729), (43666, 46235)]