1330456220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{936941}}^1$

素因数の和:937021

約数の個数: 24

約数和(自身を含む): 2833312608

約数和(自身を除く): 1502856388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 936941, 1873882, 3747764, 4684705, 9369410, 18738820, 66522811, 133045622, 266091244, 332614055, 665228110, 1330456220]

約数ペア:

[(1, 1330456220), (2, 665228110), (4, 332614055), (5, 266091244), (10, 133045622), (20, 66522811), (71, 18738820), (142, 9369410), (284, 4684705), (355, 3747764), (710, 1873882), (1420, 936941)]