1330385477020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{21788167}}^1$

素因数の和:21788290

約数の個数: 48

約数和(自身を含む): 2899046481408

約数和(自身を除く): 1568661004388

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1420, 3053, 6106, 12212, 15265, 30530, 61060, 21788167, 43576334, 87152668, 108940835, 217881670, 435763340, 936891181, 1546959857, 1873782362, 3093919714, 3747564724, 4684455905, 6187839428, 7734799285, 9368911810, 15469598570, 18737823620, 30939197140, 66519273851, 133038547702, 266077095404, 332596369255, 665192738510, 1330385477020]

約数ペア:

[(1, 1330385477020), (2, 665192738510), (4, 332596369255), (5, 266077095404), (10, 133038547702), (20, 66519273851), (43, 30939197140), (71, 18737823620), (86, 15469598570), (142, 9368911810), (172, 7734799285), (215, 6187839428), (284, 4684455905), (355, 3747564724), (430, 3093919714), (710, 1873782362), (860, 1546959857), (1420, 936891181), (3053, 435763340), (6106, 217881670), (12212, 108940835), (15265, 87152668), (30530, 43576334), (61060, 21788167)]