321750280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151769}}^1$

素因数の和:151833

約数の個数: 32

約数和(自身を含む): 737602200

約数和(自身を除く): 415851920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 151769, 303538, 607076, 758845, 1214152, 1517690, 3035380, 6070760, 8043757, 16087514, 32175028, 40218785, 64350056, 80437570, 160875140, 321750280]

約数ペア:

[(1, 321750280), (2, 160875140), (4, 80437570), (5, 64350056), (8, 40218785), (10, 32175028), (20, 16087514), (40, 8043757), (53, 6070760), (106, 3035380), (212, 1517690), (265, 1214152), (424, 758845), (530, 607076), (1060, 303538), (2120, 151769)]