2018285990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{111323}}^1$

素因数の和:111381

約数の個数: 48

約数和(自身を含む): 4340300112

約数和(自身を除く): 2322014122

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1295, 1813, 2590, 3626, 9065, 18130, 111323, 222646, 556615, 779261, 1113230, 1558522, 3896305, 4118951, 5454827, 7792610, 8237902, 10909654, 20594755, 27274135, 28832657, 41189510, 54548270, 57665314, 144163285, 201828599, 288326570, 403657198, 1009142995, 2018285990]

約数ペア:

[(1, 2018285990), (2, 1009142995), (5, 403657198), (7, 288326570), (10, 201828599), (14, 144163285), (35, 57665314), (37, 54548270), (49, 41189510), (70, 28832657), (74, 27274135), (98, 20594755), (185, 10909654), (245, 8237902), (259, 7792610), (370, 5454827), (490, 4118951), (518, 3896305), (1295, 1558522), (1813, 1113230), (2590, 779261), (3626, 556615), (9065, 222646), (18130, 111323)]