2015202890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{258691}}^1$

素因数の和:258758

約数の個数: 32

約数和(自身を含む): 3911423040

約数和(自身を除く): 1896220150

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 258691, 517382, 1293455, 2586910, 4915129, 9830258, 10606331, 21212662, 24575645, 49151290, 53031655, 106063310, 201520289, 403040578, 1007601445, 2015202890]

約数ペア:

[(1, 2015202890), (2, 1007601445), (5, 403040578), (10, 201520289), (19, 106063310), (38, 53031655), (41, 49151290), (82, 24575645), (95, 21212662), (190, 10606331), (205, 9830258), (410, 4915129), (779, 2586910), (1558, 1293455), (3895, 517382), (7790, 258691)]