1489340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 3160080

約数和(自身を除く): 1670740

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 659, 1130, 1318, 2260, 2636, 3295, 6590, 13180, 74467, 148934, 297868, 372335, 744670, 1489340]

約数ペア:

[(1, 1489340), (2, 744670), (4, 372335), (5, 297868), (10, 148934), (20, 74467), (113, 13180), (226, 6590), (452, 3295), (565, 2636), (659, 2260), (1130, 1318)]