173698420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1240703}}^1$

素因数の和:1240719

約数の個数: 24

約数和(自身を含む): 416876544

約数和(自身を除く): 243178124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1240703, 2481406, 4962812, 6203515, 8684921, 12407030, 17369842, 24814060, 34739684, 43424605, 86849210, 173698420]

約数ペア:

[(1, 173698420), (2, 86849210), (4, 43424605), (5, 34739684), (7, 24814060), (10, 17369842), (14, 12407030), (20, 8684921), (28, 6203515), (35, 4962812), (70, 2481406), (140, 1240703)]