2912233820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{2203}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 6172063968

約数和(自身を除く): 3259830148

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 421, 628, 785, 842, 1570, 1684, 2105, 2203, 3140, 4210, 4406, 8420, 8812, 11015, 22030, 44060, 66097, 132194, 264388, 330485, 345871, 660970, 691742, 927463, 1321940, 1383484, 1729355, 1854926, 3458710, 3709852, 4637315, 6917420, 9274630, 18549260, 145611691, 291223382, 582446764, 728058455, 1456116910, 2912233820]

約数ペア:

[(1, 2912233820), (2, 1456116910), (4, 728058455), (5, 582446764), (10, 291223382), (20, 145611691), (157, 18549260), (314, 9274630), (421, 6917420), (628, 4637315), (785, 3709852), (842, 3458710), (1570, 1854926), (1684, 1729355), (2105, 1383484), (2203, 1321940), (3140, 927463), (4210, 691742), (4406, 660970), (8420, 345871), (8812, 330485), (11015, 264388), (22030, 132194), (44060, 66097)]