264314540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26591}}^1$

素因数の和:26678

約数の個数: 48

約数和(自身を含む): 643313664

約数和(自身を除く): 378999124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 26591, 53182, 106364, 132955, 186137, 265910, 372274, 531820, 744548, 930685, 1861370, 1887961, 3722740, 3775922, 7551844, 9439805, 13215727, 18879610, 26431454, 37759220, 52862908, 66078635, 132157270, 264314540]

約数ペア:

[(1, 264314540), (2, 132157270), (4, 66078635), (5, 52862908), (7, 37759220), (10, 26431454), (14, 18879610), (20, 13215727), (28, 9439805), (35, 7551844), (70, 3775922), (71, 3722740), (140, 1887961), (142, 1861370), (284, 930685), (355, 744548), (497, 531820), (710, 372274), (994, 265910), (1420, 186137), (1988, 132955), (2485, 106364), (4970, 53182), (9940, 26591)]