69891890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1733}}^1$

素因数の和:1886

約数の個数: 32

約数和(自身を含む): 130466160

約数和(自身を除く): 60574270

約数列:

[1, 2, 5, 10, 37, 74, 109, 185, 218, 370, 545, 1090, 1733, 3466, 4033, 8066, 8665, 17330, 20165, 40330, 64121, 128242, 188897, 320605, 377794, 641210, 944485, 1888970, 6989189, 13978378, 34945945, 69891890]

約数ペア:

[(1, 69891890), (2, 34945945), (5, 13978378), (10, 6989189), (37, 1888970), (74, 944485), (109, 641210), (185, 377794), (218, 320605), (370, 188897), (545, 128242), (1090, 64121), (1733, 40330), (3466, 20165), (4033, 17330), (8066, 8665)]