45370420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 97977600

約数和(自身を除く): 52607180

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 359, 445, 710, 718, 890, 1420, 1436, 1780, 1795, 3590, 6319, 7180, 12638, 25276, 25489, 31595, 31951, 50978, 63190, 63902, 101956, 126380, 127445, 127804, 159755, 254890, 319510, 509780, 639020, 2268521, 4537042, 9074084, 11342605, 22685210, 45370420]

約数ペア:

[(1, 45370420), (2, 22685210), (4, 11342605), (5, 9074084), (10, 4537042), (20, 2268521), (71, 639020), (89, 509780), (142, 319510), (178, 254890), (284, 159755), (355, 127804), (356, 127445), (359, 126380), (445, 101956), (710, 63902), (718, 63190), (890, 50978), (1420, 31951), (1436, 31595), (1780, 25489), (1795, 25276), (3590, 12638), (6319, 7180)]