227231780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1621}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 491582784

約数和(自身を除く): 264351004

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 163, 172, 215, 326, 430, 652, 815, 860, 1621, 1630, 3242, 3260, 6484, 7009, 8105, 14018, 16210, 28036, 32420, 35045, 69703, 70090, 139406, 140180, 264223, 278812, 348515, 528446, 697030, 1056892, 1321115, 1394060, 2642230, 5284460, 11361589, 22723178, 45446356, 56807945, 113615890, 227231780]

約数ペア:

[(1, 227231780), (2, 113615890), (4, 56807945), (5, 45446356), (10, 22723178), (20, 11361589), (43, 5284460), (86, 2642230), (163, 1394060), (172, 1321115), (215, 1056892), (326, 697030), (430, 528446), (652, 348515), (815, 278812), (860, 264223), (1621, 140180), (1630, 139406), (3242, 70090), (3260, 69703), (6484, 35045), (7009, 32420), (8105, 28036), (14018, 16210)]