90102340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 192890880

約数和(自身を除く): 102788540

約数列:

[1, 2, 4, 5, 10, 20, 103, 191, 206, 229, 382, 412, 458, 515, 764, 916, 955, 1030, 1145, 1910, 2060, 2290, 3820, 4580, 19673, 23587, 39346, 43739, 47174, 78692, 87478, 94348, 98365, 117935, 174956, 196730, 218695, 235870, 393460, 437390, 471740, 874780, 4505117, 9010234, 18020468, 22525585, 45051170, 90102340]

約数ペア:

[(1, 90102340), (2, 45051170), (4, 22525585), (5, 18020468), (10, 9010234), (20, 4505117), (103, 874780), (191, 471740), (206, 437390), (229, 393460), (382, 235870), (412, 218695), (458, 196730), (515, 174956), (764, 117935), (916, 98365), (955, 94348), (1030, 87478), (1145, 78692), (1910, 47174), (2060, 43739), (2290, 39346), (3820, 23587), (4580, 19673)]