74575220

素因数分解:

$2^2\times 5^1\times {\mathrm{1931}}^2$

素因数の和:3871

約数の個数: 18

約数和(自身を含む): 156689106

約数和(自身を除く): 82113886

約数列:

[1, 2, 4, 5, 10, 20, 1931, 3862, 7724, 9655, 19310, 38620, 3728761, 7457522, 14915044, 18643805, 37287610, 74575220]

約数ペア:

[(1, 74575220), (2, 37287610), (4, 18643805), (5, 14915044), (10, 7457522), (20, 3728761), (1931, 38620), (3862, 19310), (7724, 9655)]