1330791880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{274957}}^1$

素因数の和:274990

約数の個数: 48

約数和(自身を含む): 3291247260

約数和(自身を除く): 1960455380

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 274957, 549914, 1099828, 1374785, 2199656, 2749570, 3024527, 5499140, 6049054, 10998280, 12098108, 15122635, 24196216, 30245270, 33269797, 60490540, 66539594, 120981080, 133079188, 166348985, 266158376, 332697970, 665395940, 1330791880]

約数ペア:

[(1, 1330791880), (2, 665395940), (4, 332697970), (5, 266158376), (8, 166348985), (10, 133079188), (11, 120981080), (20, 66539594), (22, 60490540), (40, 33269797), (44, 30245270), (55, 24196216), (88, 15122635), (110, 12098108), (121, 10998280), (220, 6049054), (242, 5499140), (440, 3024527), (484, 2749570), (605, 2199656), (968, 1374785), (1210, 1099828), (2420, 549914), (4840, 274957)]