499959880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{2971}}^1$

素因数の和:3590

約数の個数: 64

約数和(自身を含む): 1288183680

約数和(自身を除く): 788223800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 601, 1202, 2404, 2971, 3005, 4207, 4808, 5942, 6010, 8414, 11884, 12020, 14855, 16828, 20797, 21035, 23768, 24040, 29710, 33656, 41594, 42070, 59420, 83188, 84140, 103985, 118840, 166376, 168280, 207970, 415940, 831880, 1785571, 3571142, 7142284, 8927855, 12498997, 14284568, 17855710, 24997994, 35711420, 49995988, 62494985, 71422840, 99991976, 124989970, 249979940, 499959880]

約数ペア:

[(1, 499959880), (2, 249979940), (4, 124989970), (5, 99991976), (7, 71422840), (8, 62494985), (10, 49995988), (14, 35711420), (20, 24997994), (28, 17855710), (35, 14284568), (40, 12498997), (56, 8927855), (70, 7142284), (140, 3571142), (280, 1785571), (601, 831880), (1202, 415940), (2404, 207970), (2971, 168280), (3005, 166376), (4207, 118840), (4808, 103985), (5942, 84140), (6010, 83188), (8414, 59420), (11884, 42070), (12020, 41594), (14855, 33656), (16828, 29710), (20797, 24040), (21035, 23768)]