206511140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{2999}}^1$

素因数の和:3332

約数の個数: 48

約数和(自身を含む): 474768000

約数和(自身を除く): 268256860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313, 626, 1252, 1565, 2999, 3130, 3443, 5998, 6260, 6886, 11996, 13772, 14995, 17215, 29990, 32989, 34430, 59980, 65978, 68860, 131956, 164945, 329890, 659780, 938687, 1877374, 3754748, 4693435, 9386870, 10325557, 18773740, 20651114, 41302228, 51627785, 103255570, 206511140]

約数ペア:

[(1, 206511140), (2, 103255570), (4, 51627785), (5, 41302228), (10, 20651114), (11, 18773740), (20, 10325557), (22, 9386870), (44, 4693435), (55, 3754748), (110, 1877374), (220, 938687), (313, 659780), (626, 329890), (1252, 164945), (1565, 131956), (2999, 68860), (3130, 65978), (3443, 59980), (5998, 34430), (6260, 32989), (6886, 29990), (11996, 17215), (13772, 14995)]