15228790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 28226880

約数和(自身を除く): 12998090

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 241, 355, 445, 482, 710, 890, 1205, 2410, 6319, 12638, 17111, 21449, 31595, 34222, 42898, 63190, 85555, 107245, 171110, 214490, 1522879, 3045758, 7614395, 15228790]

約数ペア:

[(1, 15228790), (2, 7614395), (5, 3045758), (10, 1522879), (71, 214490), (89, 171110), (142, 107245), (178, 85555), (241, 63190), (355, 42898), (445, 34222), (482, 31595), (710, 21449), (890, 17111), (1205, 12638), (2410, 6319)]