1311683960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1928947}}^1$

素因数の和:1928975

約数の個数: 32

約数和(自身を含む): 3124895760

約数和(自身を除く): 1813211800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1928947, 3857894, 7715788, 9644735, 15431576, 19289470, 32792099, 38578940, 65584198, 77157880, 131168396, 163960495, 262336792, 327920990, 655841980, 1311683960]

約数ペア:

[(1, 1311683960), (2, 655841980), (4, 327920990), (5, 262336792), (8, 163960495), (10, 131168396), (17, 77157880), (20, 65584198), (34, 38578940), (40, 32792099), (68, 19289470), (85, 15431576), (136, 9644735), (170, 7715788), (340, 3857894), (680, 1928947)]