67402780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{239}}^2$

素因数の和:546

約数の個数: 36

約数和(自身を含む): 144549720

約数和(自身を除く): 77146940

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 239, 295, 478, 590, 956, 1180, 1195, 2390, 4780, 14101, 28202, 56404, 57121, 70505, 114242, 141010, 228484, 282020, 285605, 571210, 1142420, 3370139, 6740278, 13480556, 16850695, 33701390, 67402780]

約数ペア:

[(1, 67402780), (2, 33701390), (4, 16850695), (5, 13480556), (10, 6740278), (20, 3370139), (59, 1142420), (118, 571210), (236, 285605), (239, 282020), (295, 228484), (478, 141010), (590, 114242), (956, 70505), (1180, 57121), (1195, 56404), (2390, 28202), (4780, 14101)]