422120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 970920

約数和(自身を除く): 548800

約数列:

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

約数ペア:

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