844240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 2006568

約数和(自身を除く): 1162328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 173, 244, 305, 346, 488, 610, 692, 865, 976, 1220, 1384, 1730, 2440, 2768, 3460, 4880, 6920, 10553, 13840, 21106, 42212, 52765, 84424, 105530, 168848, 211060, 422120, 844240]

約数ペア:

[(1, 844240), (2, 422120), (4, 211060), (5, 168848), (8, 105530), (10, 84424), (16, 52765), (20, 42212), (40, 21106), (61, 13840), (80, 10553), (122, 6920), (173, 4880), (244, 3460), (305, 2768), (346, 2440), (488, 1730), (610, 1384), (692, 1220), (865, 976)]