147920840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{119291}}^1$

素因数の和:119333

約数の個数: 32

約数和(自身を含む): 343560960

約数和(自身を除く): 195640120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 119291, 238582, 477164, 596455, 954328, 1192910, 2385820, 3698021, 4771640, 7396042, 14792084, 18490105, 29584168, 36980210, 73960420, 147920840]

約数ペア:

[(1, 147920840), (2, 73960420), (4, 36980210), (5, 29584168), (8, 18490105), (10, 14792084), (20, 7396042), (31, 4771640), (40, 3698021), (62, 2385820), (124, 1192910), (155, 954328), (248, 596455), (310, 477164), (620, 238582), (1240, 119291)]