1282206940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223381}}^1$

素因数の和:223438

約数の個数: 48

約数和(自身を含む): 3152366784

約数和(自身を除く): 1870159844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 223381, 446762, 893524, 1116905, 1563667, 2233810, 3127334, 4467620, 6254668, 7818335, 9158621, 15636670, 18317242, 31273340, 36634484, 45793105, 64110347, 91586210, 128220694, 183172420, 256441388, 320551735, 641103470, 1282206940]

約数ペア:

[(1, 1282206940), (2, 641103470), (4, 320551735), (5, 256441388), (7, 183172420), (10, 128220694), (14, 91586210), (20, 64110347), (28, 45793105), (35, 36634484), (41, 31273340), (70, 18317242), (82, 15636670), (140, 9158621), (164, 7818335), (205, 6254668), (287, 4467620), (410, 3127334), (574, 2233810), (820, 1563667), (1148, 1116905), (1435, 893524), (2870, 446762), (5740, 223381)]