145978420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1042703}}^1$

素因数の和:1042719

約数の個数: 24

約数和(自身を含む): 350348544

約数和(自身を除く): 204370124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1042703, 2085406, 4170812, 5213515, 7298921, 10427030, 14597842, 20854060, 29195684, 36494605, 72989210, 145978420]

約数ペア:

[(1, 145978420), (2, 72989210), (4, 36494605), (5, 29195684), (7, 20854060), (10, 14597842), (14, 10427030), (20, 7298921), (28, 5213515), (35, 4170812), (70, 2085406), (140, 1042703)]