1284140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 3175200

約数和(自身を除く): 1891060

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 449, 572, 715, 898, 1430, 1796, 2245, 2860, 4490, 4939, 5837, 8980, 9878, 11674, 19756, 23348, 24695, 29185, 49390, 58370, 64207, 98780, 116740, 128414, 256828, 321035, 642070, 1284140]

約数ペア:

[(1, 1284140), (2, 642070), (4, 321035), (5, 256828), (10, 128414), (11, 116740), (13, 98780), (20, 64207), (22, 58370), (26, 49390), (44, 29185), (52, 24695), (55, 23348), (65, 19756), (110, 11674), (130, 9878), (143, 8980), (220, 5837), (260, 4939), (286, 4490), (449, 2860), (572, 2245), (715, 1796), (898, 1430)]