287436680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{422701}}^1$

素因数の和:422729

約数の個数: 32

約数和(自身を含む): 684777240

約数和(自身を除く): 397340560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 422701, 845402, 1690804, 2113505, 3381608, 4227010, 7185917, 8454020, 14371834, 16908040, 28743668, 35929585, 57487336, 71859170, 143718340, 287436680]

約数ペア:

[(1, 287436680), (2, 143718340), (4, 71859170), (5, 57487336), (8, 35929585), (10, 28743668), (17, 16908040), (20, 14371834), (34, 8454020), (40, 7185917), (68, 4227010), (85, 3381608), (136, 2113505), (170, 1690804), (340, 845402), (680, 422701)]