1640831780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{70181}}^1$

素因数の和:70364

約数の個数: 48

約数和(自身を含む): 3961633536

約数和(自身を除く): 2320801756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3340, 4676, 5845, 11690, 23380, 70181, 140362, 280724, 350905, 491267, 701810, 982534, 1403620, 1965068, 2456335, 4912670, 9825340, 11720227, 23440454, 46880908, 58601135, 82041589, 117202270, 164083178, 234404540, 328166356, 410207945, 820415890, 1640831780]

約数ペア:

[(1, 1640831780), (2, 820415890), (4, 410207945), (5, 328166356), (7, 234404540), (10, 164083178), (14, 117202270), (20, 82041589), (28, 58601135), (35, 46880908), (70, 23440454), (140, 11720227), (167, 9825340), (334, 4912670), (668, 2456335), (835, 1965068), (1169, 1403620), (1670, 982534), (2338, 701810), (3340, 491267), (4676, 350905), (5845, 280724), (11690, 140362), (23380, 70181)]