1689931180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{81013}}^1$

素因数の和:81178

約数の個数: 48

約数和(自身を含む): 4083105600

約数和(自身を除く): 2393174420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 81013, 162026, 324052, 405065, 567091, 810130, 1134182, 1620260, 2268364, 2835455, 5670910, 11341820, 12070937, 24141874, 48283748, 60354685, 84496559, 120709370, 168993118, 241418740, 337986236, 422482795, 844965590, 1689931180]

約数ペア:

[(1, 1689931180), (2, 844965590), (4, 422482795), (5, 337986236), (7, 241418740), (10, 168993118), (14, 120709370), (20, 84496559), (28, 60354685), (35, 48283748), (70, 24141874), (140, 12070937), (149, 11341820), (298, 5670910), (596, 2835455), (745, 2268364), (1043, 1620260), (1490, 1134182), (2086, 810130), (2980, 567091), (4172, 405065), (5215, 324052), (10430, 162026), (20860, 81013)]