15615686620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{73847}}^1$

素因数の和:74062

約数の個数: 48

約数和(自身を含む): 33435420480

約数和(自身を除く): 17819733860

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 388, 436, 485, 545, 970, 1090, 1940, 2180, 10573, 21146, 42292, 52865, 73847, 105730, 147694, 211460, 295388, 369235, 738470, 1476940, 7163159, 8049323, 14326318, 16098646, 28652636, 32197292, 35815795, 40246615, 71631590, 80493230, 143263180, 160986460, 780784331, 1561568662, 3123137324, 3903921655, 7807843310, 15615686620]

約数ペア:

[(1, 15615686620), (2, 7807843310), (4, 3903921655), (5, 3123137324), (10, 1561568662), (20, 780784331), (97, 160986460), (109, 143263180), (194, 80493230), (218, 71631590), (388, 40246615), (436, 35815795), (485, 32197292), (545, 28652636), (970, 16098646), (1090, 14326318), (1940, 8049323), (2180, 7163159), (10573, 1476940), (21146, 738470), (42292, 369235), (52865, 295388), (73847, 211460), (105730, 147694)]