70472780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{10273}}^1$

素因数の和:10303

約数の個数: 48

約数和(自身を含む): 172603200

約数和(自身を除く): 102130420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 10273, 20546, 41092, 51365, 71911, 102730, 143822, 205460, 287644, 359555, 503377, 719110, 1006754, 1438220, 2013508, 2516885, 3523639, 5033770, 7047278, 10067540, 14094556, 17618195, 35236390, 70472780]

約数ペア:

[(1, 70472780), (2, 35236390), (4, 17618195), (5, 14094556), (7, 10067540), (10, 7047278), (14, 5033770), (20, 3523639), (28, 2516885), (35, 2013508), (49, 1438220), (70, 1006754), (98, 719110), (140, 503377), (196, 359555), (245, 287644), (343, 205460), (490, 143822), (686, 102730), (980, 71911), (1372, 51365), (1715, 41092), (3430, 20546), (6860, 10273)]