2256709780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{11939}}^1$

素因数の和:12688

約数の個数: 48

約数和(自身を含む): 5111084160

約数和(自身を除く): 2854374380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 727, 1454, 2908, 3635, 7270, 9451, 11939, 14540, 18902, 23878, 37804, 47255, 47756, 59695, 94510, 119390, 155207, 189020, 238780, 310414, 620828, 776035, 1552070, 3104140, 8679653, 17359306, 34718612, 43398265, 86796530, 112835489, 173593060, 225670978, 451341956, 564177445, 1128354890, 2256709780]

約数ペア:

[(1, 2256709780), (2, 1128354890), (4, 564177445), (5, 451341956), (10, 225670978), (13, 173593060), (20, 112835489), (26, 86796530), (52, 43398265), (65, 34718612), (130, 17359306), (260, 8679653), (727, 3104140), (1454, 1552070), (2908, 776035), (3635, 620828), (7270, 310414), (9451, 238780), (11939, 189020), (14540, 155207), (18902, 119390), (23878, 94510), (37804, 59695), (47255, 47756)]