1209890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 2519424

約数和(自身を除く): 1309534

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 647, 935, 1294, 1870, 3235, 6470, 7117, 10999, 14234, 21998, 35585, 54995, 71170, 109990, 120989, 241978, 604945, 1209890]

約数ペア:

[(1, 1209890), (2, 604945), (5, 241978), (10, 120989), (11, 109990), (17, 71170), (22, 54995), (34, 35585), (55, 21998), (85, 14234), (110, 10999), (170, 7117), (187, 6470), (374, 3235), (647, 1870), (935, 1294)]