2107115990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1381}}^1$

素因数の和:1773

約数の個数: 64

約数和(自身を含む): 4413201408

約数和(自身を除く): 2306085418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 307, 355, 497, 614, 710, 994, 1381, 1535, 2149, 2485, 2762, 3070, 4298, 4970, 6905, 9667, 10745, 13810, 19334, 21490, 21797, 43594, 48335, 96670, 98051, 108985, 152579, 196102, 217970, 305158, 423967, 490255, 686357, 762895, 847934, 980510, 1372714, 1525790, 2119835, 2967769, 3431785, 4239670, 5935538, 6863570, 14838845, 29677690, 30101657, 60203314, 150508285, 210711599, 301016570, 421423198, 1053557995, 2107115990]

約数ペア:

[(1, 2107115990), (2, 1053557995), (5, 421423198), (7, 301016570), (10, 210711599), (14, 150508285), (35, 60203314), (70, 30101657), (71, 29677690), (142, 14838845), (307, 6863570), (355, 5935538), (497, 4239670), (614, 3431785), (710, 2967769), (994, 2119835), (1381, 1525790), (1535, 1372714), (2149, 980510), (2485, 847934), (2762, 762895), (3070, 686357), (4298, 490255), (4970, 423967), (6905, 305158), (9667, 217970), (10745, 196102), (13810, 152579), (19334, 108985), (21490, 98051), (21797, 96670), (43594, 48335)]