29997320

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1889}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 67699800

約数和(自身を除く): 37702480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1889, 1985, 3176, 3778, 3970, 7556, 7940, 9445, 15112, 15880, 18890, 37780, 75560, 749933, 1499866, 2999732, 3749665, 5999464, 7499330, 14998660, 29997320]

約数ペア:

[(1, 29997320), (2, 14998660), (4, 7499330), (5, 5999464), (8, 3749665), (10, 2999732), (20, 1499866), (40, 749933), (397, 75560), (794, 37780), (1588, 18890), (1889, 15880), (1985, 15112), (3176, 9445), (3778, 7940), (3970, 7556)]