123190480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{219983}}^1$

素因数の和:220003

約数の個数: 40

約数和(自身を含む): 327336192

約数和(自身を除く): 204145712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 219983, 439966, 879932, 1099915, 1539881, 1759864, 2199830, 3079762, 3519728, 4399660, 6159524, 7699405, 8799320, 12319048, 15398810, 17598640, 24638096, 30797620, 61595240, 123190480]

約数ペア:

[(1, 123190480), (2, 61595240), (4, 30797620), (5, 24638096), (7, 17598640), (8, 15398810), (10, 12319048), (14, 8799320), (16, 7699405), (20, 6159524), (28, 4399660), (35, 3519728), (40, 3079762), (56, 2199830), (70, 1759864), (80, 1539881), (112, 1099915), (140, 879932), (280, 439966), (560, 219983)]