1997320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 5080320

約数和(自身を除く): 3083000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 167, 184, 230, 260, 299, 334, 460, 520, 598, 668, 835, 920, 1196, 1336, 1495, 1670, 2171, 2392, 2990, 3340, 3841, 4342, 5980, 6680, 7682, 8684, 10855, 11960, 15364, 17368, 19205, 21710, 30728, 38410, 43420, 49933, 76820, 86840, 99866, 153640, 199732, 249665, 399464, 499330, 998660, 1997320]

約数ペア:

[(1, 1997320), (2, 998660), (4, 499330), (5, 399464), (8, 249665), (10, 199732), (13, 153640), (20, 99866), (23, 86840), (26, 76820), (40, 49933), (46, 43420), (52, 38410), (65, 30728), (92, 21710), (104, 19205), (115, 17368), (130, 15364), (167, 11960), (184, 10855), (230, 8684), (260, 7682), (299, 6680), (334, 5980), (460, 4342), (520, 3841), (598, 3340), (668, 2990), (835, 2392), (920, 2171), (1196, 1670), (1336, 1495)]