272385620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{9791}}^1$

素因数の和:9920

約数の個数: 48

約数和(自身を含む): 621831168

約数和(自身を除く): 349445548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2782, 5564, 6955, 9791, 13910, 19582, 27820, 39164, 48955, 97910, 127283, 195820, 254566, 509132, 636415, 1047637, 1272830, 2095274, 2545660, 4190548, 5238185, 10476370, 13619281, 20952740, 27238562, 54477124, 68096405, 136192810, 272385620]

約数ペア:

[(1, 272385620), (2, 136192810), (4, 68096405), (5, 54477124), (10, 27238562), (13, 20952740), (20, 13619281), (26, 10476370), (52, 5238185), (65, 4190548), (107, 2545660), (130, 2095274), (214, 1272830), (260, 1047637), (428, 636415), (535, 509132), (1070, 254566), (1391, 195820), (2140, 127283), (2782, 97910), (5564, 48955), (6955, 39164), (9791, 27820), (13910, 19582)]