499660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 1241856

約数和(自身を除く): 742196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 83, 86, 140, 166, 172, 215, 301, 332, 415, 430, 581, 602, 830, 860, 1162, 1204, 1505, 1660, 2324, 2905, 3010, 3569, 5810, 6020, 7138, 11620, 14276, 17845, 24983, 35690, 49966, 71380, 99932, 124915, 249830, 499660]

約数ペア:

[(1, 499660), (2, 249830), (4, 124915), (5, 99932), (7, 71380), (10, 49966), (14, 35690), (20, 24983), (28, 17845), (35, 14276), (43, 11620), (70, 7138), (83, 6020), (86, 5810), (140, 3569), (166, 3010), (172, 2905), (215, 2324), (301, 1660), (332, 1505), (415, 1204), (430, 1162), (581, 860), (602, 830)]