1087640180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{260201}}^1$

素因数の和:260240

約数の個数: 48

約数和(自身を含む): 2622836160

約数和(自身を除く): 1535195980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 260201, 520402, 1040804, 1301005, 2602010, 2862211, 4943819, 5204020, 5724422, 9887638, 11448844, 14311055, 19775276, 24719095, 28622110, 49438190, 54382009, 57244220, 98876380, 108764018, 217528036, 271910045, 543820090, 1087640180]

約数ペア:

[(1, 1087640180), (2, 543820090), (4, 271910045), (5, 217528036), (10, 108764018), (11, 98876380), (19, 57244220), (20, 54382009), (22, 49438190), (38, 28622110), (44, 24719095), (55, 19775276), (76, 14311055), (95, 11448844), (110, 9887638), (190, 5724422), (209, 5204020), (220, 4943819), (380, 2862211), (418, 2602010), (836, 1301005), (1045, 1040804), (2090, 520402), (4180, 260201)]