291813640

素因数分解:

$2^3\times 5^1\times {\mathrm{2339}}^1\times {\mathrm{3119}}^1$

素因数の和:5469

約数の個数: 32

約数和(自身を含む): 657072000

約数和(自身を除く): 365258360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2339, 3119, 4678, 6238, 9356, 11695, 12476, 15595, 18712, 23390, 24952, 31190, 46780, 62380, 93560, 124760, 7295341, 14590682, 29181364, 36476705, 58362728, 72953410, 145906820, 291813640]

約数ペア:

[(1, 291813640), (2, 145906820), (4, 72953410), (5, 58362728), (8, 36476705), (10, 29181364), (20, 14590682), (40, 7295341), (2339, 124760), (3119, 93560), (4678, 62380), (6238, 46780), (9356, 31190), (11695, 24952), (12476, 23390), (15595, 18712)]