237290420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{697913}}^1$

素因数の和:697939

約数の個数: 24

約数和(自身を含む): 527622984

約数和(自身を除く): 290332564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 697913, 1395826, 2791652, 3489565, 6979130, 11864521, 13958260, 23729042, 47458084, 59322605, 118645210, 237290420]

約数ペア:

[(1, 237290420), (2, 118645210), (4, 59322605), (5, 47458084), (10, 23729042), (17, 13958260), (20, 11864521), (34, 6979130), (68, 3489565), (85, 2791652), (170, 1395826), (340, 697913)]