318687280

素因数分解:

$2^4\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{2753}}^1$

素因数の和:4213

約数の個数: 40

約数和(自身を含む): 741729312

約数和(自身を除く): 423042032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1447, 2753, 2894, 5506, 5788, 7235, 11012, 11576, 13765, 14470, 22024, 23152, 27530, 28940, 44048, 55060, 57880, 110120, 115760, 220240, 3983591, 7967182, 15934364, 19917955, 31868728, 39835910, 63737456, 79671820, 159343640, 318687280]

約数ペア:

[(1, 318687280), (2, 159343640), (4, 79671820), (5, 63737456), (8, 39835910), (10, 31868728), (16, 19917955), (20, 15934364), (40, 7967182), (80, 3983591), (1447, 220240), (2753, 115760), (2894, 110120), (5506, 57880), (5788, 55060), (7235, 44048), (11012, 28940), (11576, 27530), (13765, 23152), (14470, 22024)]