2140477780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{312023}}^1$

素因数の和:312053

約数の個数: 48

約数和(自身を含む): 5242003200

約数和(自身を除く): 3101525420

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, 312023, 624046, 1248092, 1560115, 2184161, 3120230, 4368322, 6240460, 8736644, 10920805, 15289127, 21841610, 30578254, 43683220, 61156508, 76445635, 107023889, 152891270, 214047778, 305782540, 428095556, 535119445, 1070238890, 2140477780]

約数ペア:

[(1, 2140477780), (2, 1070238890), (4, 535119445), (5, 428095556), (7, 305782540), (10, 214047778), (14, 152891270), (20, 107023889), (28, 76445635), (35, 61156508), (49, 43683220), (70, 30578254), (98, 21841610), (140, 15289127), (196, 10920805), (245, 8736644), (343, 6240460), (490, 4368322), (686, 3120230), (980, 2184161), (1372, 1560115), (1715, 1248092), (3430, 624046), (6860, 312023)]