219966920

素因数分解:

$2^3\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{3541}}^1$

素因数の和:5105

約数の個数: 32

約数和(自身を含む): 495384120

約数和(自身を除く): 275417200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1553, 3106, 3541, 6212, 7082, 7765, 12424, 14164, 15530, 17705, 28328, 31060, 35410, 62120, 70820, 141640, 5499173, 10998346, 21996692, 27495865, 43993384, 54991730, 109983460, 219966920]

約数ペア:

[(1, 219966920), (2, 109983460), (4, 54991730), (5, 43993384), (8, 27495865), (10, 21996692), (20, 10998346), (40, 5499173), (1553, 141640), (3106, 70820), (3541, 62120), (6212, 35410), (7082, 31060), (7765, 28328), (12424, 17705), (14164, 15530)]