830991580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{8537}}^1$

素因数の和:8734

約数の個数: 48

約数和(自身を含む): 1813061376

約数和(自身を除く): 982069796

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 620, 628, 785, 1570, 3140, 4867, 8537, 9734, 17074, 19468, 24335, 34148, 42685, 48670, 85370, 97340, 170740, 264647, 529294, 1058588, 1323235, 1340309, 2646470, 2680618, 5292940, 5361236, 6701545, 13403090, 26806180, 41549579, 83099158, 166198316, 207747895, 415495790, 830991580]

約数ペア:

[(1, 830991580), (2, 415495790), (4, 207747895), (5, 166198316), (10, 83099158), (20, 41549579), (31, 26806180), (62, 13403090), (124, 6701545), (155, 5361236), (157, 5292940), (310, 2680618), (314, 2646470), (620, 1340309), (628, 1323235), (785, 1058588), (1570, 529294), (3140, 264647), (4867, 170740), (8537, 97340), (9734, 85370), (17074, 48670), (19468, 42685), (24335, 34148)]