303940240

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{21961}}^1$

素因数の和:22147

約数の個数: 40

約数和(自身を含む): 710778168

約数和(自身を除く): 406837928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 21961, 43922, 87844, 109805, 175688, 219610, 351376, 439220, 878440, 1756880, 3799253, 7598506, 15197012, 18996265, 30394024, 37992530, 60788048, 75985060, 151970120, 303940240]

約数ペア:

[(1, 303940240), (2, 151970120), (4, 75985060), (5, 60788048), (8, 37992530), (10, 30394024), (16, 18996265), (20, 15197012), (40, 7598506), (80, 3799253), (173, 1756880), (346, 878440), (692, 439220), (865, 351376), (1384, 219610), (1730, 175688), (2768, 109805), (3460, 87844), (6920, 43922), (13840, 21961)]