31441220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 37505980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 359, 580, 604, 718, 755, 1436, 1510, 1795, 3020, 3590, 4379, 7180, 8758, 10411, 17516, 20822, 21895, 41644, 43790, 52055, 54209, 87580, 104110, 108418, 208220, 216836, 271045, 542090, 1084180, 1572061, 3144122, 6288244, 7860305, 15720610, 31441220]

約数ペア:

[(1, 31441220), (2, 15720610), (4, 7860305), (5, 6288244), (10, 3144122), (20, 1572061), (29, 1084180), (58, 542090), (116, 271045), (145, 216836), (151, 208220), (290, 108418), (302, 104110), (359, 87580), (580, 54209), (604, 52055), (718, 43790), (755, 41644), (1436, 21895), (1510, 20822), (1795, 17516), (3020, 10411), (3590, 8758), (4379, 7180)]