842737780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{54091}}^1$

素因数の和:54160

約数の個数: 48

約数和(自身を含む): 1908365760

約数和(自身を除く): 1065627980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 54091, 108182, 216364, 270455, 540910, 1027729, 1081820, 2055458, 2217731, 4110916, 4435462, 5138645, 8870924, 10277290, 11088655, 20554580, 22177310, 42136889, 44354620, 84273778, 168547556, 210684445, 421368890, 842737780]

約数ペア:

[(1, 842737780), (2, 421368890), (4, 210684445), (5, 168547556), (10, 84273778), (19, 44354620), (20, 42136889), (38, 22177310), (41, 20554580), (76, 11088655), (82, 10277290), (95, 8870924), (164, 5138645), (190, 4435462), (205, 4110916), (380, 2217731), (410, 2055458), (779, 1081820), (820, 1027729), (1558, 540910), (3116, 270455), (3895, 216364), (7790, 108182), (15580, 54091)]