1404816400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{270157}}^1$

素因数の和:270188

約数の個数: 60

約数和(自身を含む): 3634705732

約数和(自身を除く): 2229889332

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 270157, 540314, 1080628, 1350785, 2161256, 2701570, 3512041, 4322512, 5403140, 6753925, 7024082, 10806280, 13507850, 14048164, 17560205, 21612560, 27015700, 28096328, 35120410, 54031400, 56192656, 70240820, 87801025, 108062800, 140481640, 175602050, 280963280, 351204100, 702408200, 1404816400]

約数ペア:

[(1, 1404816400), (2, 702408200), (4, 351204100), (5, 280963280), (8, 175602050), (10, 140481640), (13, 108062800), (16, 87801025), (20, 70240820), (25, 56192656), (26, 54031400), (40, 35120410), (50, 28096328), (52, 27015700), (65, 21612560), (80, 17560205), (100, 14048164), (104, 13507850), (130, 10806280), (200, 7024082), (208, 6753925), (260, 5403140), (325, 4322512), (400, 3512041), (520, 2701570), (650, 2161256), (1040, 1350785), (1300, 1080628), (2600, 540314), (5200, 270157)]