217820960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{194483}}^1$

素因数の和:194505

約数の個数: 48

約数和(自身を含む): 588119616

約数和(自身を除く): 370298656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 194483, 388966, 777932, 972415, 1361381, 1555864, 1944830, 2722762, 3111728, 3889660, 5445524, 6223456, 6806905, 7779320, 10891048, 13613810, 15558640, 21782096, 27227620, 31117280, 43564192, 54455240, 108910480, 217820960]

約数ペア:

[(1, 217820960), (2, 108910480), (4, 54455240), (5, 43564192), (7, 31117280), (8, 27227620), (10, 21782096), (14, 15558640), (16, 13613810), (20, 10891048), (28, 7779320), (32, 6806905), (35, 6223456), (40, 5445524), (56, 3889660), (70, 3111728), (80, 2722762), (112, 1944830), (140, 1555864), (160, 1361381), (224, 972415), (280, 777932), (560, 388966), (1120, 194483)]