12286450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 25310880

約数和(自身を除く): 13024430

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 251, 275, 445, 502, 550, 890, 979, 1255, 1958, 2225, 2510, 2761, 4450, 4895, 5522, 6275, 9790, 12550, 13805, 22339, 24475, 27610, 44678, 48950, 69025, 111695, 138050, 223390, 245729, 491458, 558475, 1116950, 1228645, 2457290, 6143225, 12286450]

約数ペア:

[(1, 12286450), (2, 6143225), (5, 2457290), (10, 1228645), (11, 1116950), (22, 558475), (25, 491458), (50, 245729), (55, 223390), (89, 138050), (110, 111695), (178, 69025), (251, 48950), (275, 44678), (445, 27610), (502, 24475), (550, 22339), (890, 13805), (979, 12550), (1255, 9790), (1958, 6275), (2225, 5522), (2510, 4895), (2761, 4450)]