1330366760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{468439}}^1$

素因数の和:468521

約数の個数: 32

約数和(自身を含む): 3035491200

約数和(自身を除く): 1705124440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 468439, 936878, 1873756, 2342195, 3747512, 4684390, 9368780, 18737560, 33259169, 66518338, 133036676, 166295845, 266073352, 332591690, 665183380, 1330366760]

約数ペア:

[(1, 1330366760), (2, 665183380), (4, 332591690), (5, 266073352), (8, 166295845), (10, 133036676), (20, 66518338), (40, 33259169), (71, 18737560), (142, 9368780), (284, 4684390), (355, 3747512), (568, 2342195), (710, 1873756), (1420, 936878), (2840, 468439)]