2045491340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{13399}}^1$

素因数の和:13874

約数の個数: 48

約数和(自身を含む): 4558680000

約数和(自身を除く): 2513188660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 449, 898, 1796, 2245, 4490, 7633, 8980, 13399, 15266, 26798, 30532, 38165, 53596, 66995, 76330, 133990, 152660, 227783, 267980, 455566, 911132, 1138915, 2277830, 4555660, 6016151, 12032302, 24064604, 30080755, 60161510, 102274567, 120323020, 204549134, 409098268, 511372835, 1022745670, 2045491340]

約数ペア:

[(1, 2045491340), (2, 1022745670), (4, 511372835), (5, 409098268), (10, 204549134), (17, 120323020), (20, 102274567), (34, 60161510), (68, 30080755), (85, 24064604), (170, 12032302), (340, 6016151), (449, 4555660), (898, 2277830), (1796, 1138915), (2245, 911132), (4490, 455566), (7633, 267980), (8980, 227783), (13399, 152660), (15266, 133990), (26798, 76330), (30532, 66995), (38165, 53596)]