4930120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 12600000

約数和(自身を除く): 7669880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 499, 520, 760, 988, 998, 1235, 1976, 1996, 2470, 2495, 3992, 4940, 4990, 6487, 9481, 9880, 9980, 12974, 18962, 19960, 25948, 32435, 37924, 47405, 51896, 64870, 75848, 94810, 123253, 129740, 189620, 246506, 259480, 379240, 493012, 616265, 986024, 1232530, 2465060, 4930120]

約数ペア:

[(1, 4930120), (2, 2465060), (4, 1232530), (5, 986024), (8, 616265), (10, 493012), (13, 379240), (19, 259480), (20, 246506), (26, 189620), (38, 129740), (40, 123253), (52, 94810), (65, 75848), (76, 64870), (95, 51896), (104, 47405), (130, 37924), (152, 32435), (190, 25948), (247, 19960), (260, 18962), (380, 12974), (494, 9980), (499, 9880), (520, 9481), (760, 6487), (988, 4990), (998, 4940), (1235, 3992), (1976, 2495), (1996, 2470)]