74742140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1877}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 172265184

約数和(自身を除く): 97523044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1877, 1991, 3620, 3754, 3982, 7508, 7964, 9385, 9955, 18770, 19910, 20647, 37540, 39820, 41294, 82588, 103235, 206470, 339737, 412940, 679474, 1358948, 1698685, 3397370, 3737107, 6794740, 7474214, 14948428, 18685535, 37371070, 74742140]

約数ペア:

[(1, 74742140), (2, 37371070), (4, 18685535), (5, 14948428), (10, 7474214), (11, 6794740), (20, 3737107), (22, 3397370), (44, 1698685), (55, 1358948), (110, 679474), (181, 412940), (220, 339737), (362, 206470), (724, 103235), (905, 82588), (1810, 41294), (1877, 39820), (1991, 37540), (3620, 20647), (3754, 19910), (3982, 18770), (7508, 9955), (7964, 9385)]