8990180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7369}}^1$

素因数の和:7439

約数の個数: 24

約数和(自身を含む): 19191480

約数和(自身を除く): 10201300

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 7369, 14738, 29476, 36845, 73690, 147380, 449509, 899018, 1798036, 2247545, 4495090, 8990180]

約数ペア:

[(1, 8990180), (2, 4495090), (4, 2247545), (5, 1798036), (10, 899018), (20, 449509), (61, 147380), (122, 73690), (244, 36845), (305, 29476), (610, 14738), (1220, 7369)]