508712890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2663}}^1\times {\mathrm{2729}}^1$

素因数の和:5406

約数の個数: 32

約数和(自身を含む): 1047271680

約数和(自身を除く): 538558790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2663, 2729, 5326, 5458, 13315, 13645, 18641, 19103, 26630, 27290, 37282, 38206, 93205, 95515, 186410, 191030, 7267327, 14534654, 36336635, 50871289, 72673270, 101742578, 254356445, 508712890]

約数ペア:

[(1, 508712890), (2, 254356445), (5, 101742578), (7, 72673270), (10, 50871289), (14, 36336635), (35, 14534654), (70, 7267327), (2663, 191030), (2729, 186410), (5326, 95515), (5458, 93205), (13315, 38206), (13645, 37282), (18641, 27290), (19103, 26630)]