111386260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 238492800

約数和(自身を除く): 127106540

約数列:

[1, 2, 4, 5, 10, 20, 103, 139, 206, 278, 389, 412, 515, 556, 695, 778, 1030, 1390, 1556, 1945, 2060, 2780, 3890, 7780, 14317, 28634, 40067, 54071, 57268, 71585, 80134, 108142, 143170, 160268, 200335, 216284, 270355, 286340, 400670, 540710, 801340, 1081420, 5569313, 11138626, 22277252, 27846565, 55693130, 111386260]

約数ペア:

[(1, 111386260), (2, 55693130), (4, 27846565), (5, 22277252), (10, 11138626), (20, 5569313), (103, 1081420), (139, 801340), (206, 540710), (278, 400670), (389, 286340), (412, 270355), (515, 216284), (556, 200335), (695, 160268), (778, 143170), (1030, 108142), (1390, 80134), (1556, 71585), (1945, 57268), (2060, 54071), (2780, 40067), (3890, 28634), (7780, 14317)]