28943340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1877}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 81400032

約数和(自身を除く): 52456692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 1877, 2570, 3084, 3754, 3855, 5140, 5631, 7508, 7710, 9385, 11262, 15420, 18770, 22524, 28155, 37540, 56310, 112620, 482389, 964778, 1447167, 1929556, 2411945, 2894334, 4823890, 5788668, 7235835, 9647780, 14471670, 28943340]

約数ペア:

[(1, 28943340), (2, 14471670), (3, 9647780), (4, 7235835), (5, 5788668), (6, 4823890), (10, 2894334), (12, 2411945), (15, 1929556), (20, 1447167), (30, 964778), (60, 482389), (257, 112620), (514, 56310), (771, 37540), (1028, 28155), (1285, 22524), (1542, 18770), (1877, 15420), (2570, 11262), (3084, 9385), (3754, 7710), (3855, 7508), (5140, 5631)]