222745460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22409}}^1$

素因数の和:22496

約数の個数: 48

約数和(自身を含む): 542142720

約数和(自身を除く): 319397260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 22409, 44818, 89636, 112045, 156863, 224090, 313726, 448180, 627452, 784315, 1568630, 1591039, 3137260, 3182078, 6364156, 7955195, 11137273, 15910390, 22274546, 31820780, 44549092, 55686365, 111372730, 222745460]

約数ペア:

[(1, 222745460), (2, 111372730), (4, 55686365), (5, 44549092), (7, 31820780), (10, 22274546), (14, 15910390), (20, 11137273), (28, 7955195), (35, 6364156), (70, 3182078), (71, 3137260), (140, 1591039), (142, 1568630), (284, 784315), (355, 627452), (497, 448180), (710, 313726), (994, 224090), (1420, 156863), (1988, 112045), (2485, 89636), (4970, 44818), (9940, 22409)]