653950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 48

約数和(自身を含む): 1406160

約数和(自身を除く): 752210

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 41, 50, 55, 58, 82, 110, 145, 205, 275, 290, 319, 410, 451, 550, 638, 725, 902, 1025, 1189, 1450, 1595, 2050, 2255, 2378, 3190, 4510, 5945, 7975, 11275, 11890, 13079, 15950, 22550, 26158, 29725, 59450, 65395, 130790, 326975, 653950]

約数ペア:

[(1, 653950), (2, 326975), (5, 130790), (10, 65395), (11, 59450), (22, 29725), (25, 26158), (29, 22550), (41, 15950), (50, 13079), (55, 11890), (58, 11275), (82, 7975), (110, 5945), (145, 4510), (205, 3190), (275, 2378), (290, 2255), (319, 2050), (410, 1595), (451, 1450), (550, 1189), (638, 1025), (725, 902)]