2257430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 5023296

約数和(自身を除く): 2765866

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 271, 490, 542, 595, 833, 1190, 1355, 1666, 1897, 2710, 3794, 4165, 4607, 8330, 9214, 9485, 13279, 18970, 23035, 26558, 32249, 46070, 64498, 66395, 132790, 161245, 225743, 322490, 451486, 1128715, 2257430]

約数ペア:

[(1, 2257430), (2, 1128715), (5, 451486), (7, 322490), (10, 225743), (14, 161245), (17, 132790), (34, 66395), (35, 64498), (49, 46070), (70, 32249), (85, 26558), (98, 23035), (119, 18970), (170, 13279), (238, 9485), (245, 9214), (271, 8330), (490, 4607), (542, 4165), (595, 3794), (833, 2710), (1190, 1897), (1355, 1666)]