339920780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{5779}}^1$

素因数の和:5978

約数の個数: 48

約数和(自身を含む): 760324320

約数和(自身を除く): 420403540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 692, 865, 1730, 2941, 3460, 5779, 5882, 11558, 11764, 14705, 23116, 28895, 29410, 57790, 58820, 98243, 115580, 196486, 392972, 491215, 982430, 999767, 1964860, 1999534, 3999068, 4998835, 9997670, 16996039, 19995340, 33992078, 67984156, 84980195, 169960390, 339920780]

約数ペア:

[(1, 339920780), (2, 169960390), (4, 84980195), (5, 67984156), (10, 33992078), (17, 19995340), (20, 16996039), (34, 9997670), (68, 4998835), (85, 3999068), (170, 1999534), (173, 1964860), (340, 999767), (346, 982430), (692, 491215), (865, 392972), (1730, 196486), (2941, 115580), (3460, 98243), (5779, 58820), (5882, 57790), (11558, 29410), (11764, 28895), (14705, 23116)]