139298240

素因数分解:

$2^6\times 5^1\times {\mathrm{435307}}^1$

素因数の和:435324

約数の個数: 28

約数和(自身を含む): 331704696

約数和(自身を除く): 192406456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 435307, 870614, 1741228, 2176535, 3482456, 4353070, 6964912, 8706140, 13929824, 17412280, 27859648, 34824560, 69649120, 139298240]

約数ペア:

[(1, 139298240), (2, 69649120), (4, 34824560), (5, 27859648), (8, 17412280), (10, 13929824), (16, 8706140), (20, 6964912), (32, 4353070), (40, 3482456), (64, 2176535), (80, 1741228), (160, 870614), (320, 435307)]