217425900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31511}}^1$

素因数の和:31551

約数の個数: 72

約数和(自身を含む): 656457984

約数和(自身を除く): 439032084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 3450, 6900, 31511, 63022, 94533, 126044, 157555, 189066, 315110, 378132, 472665, 630220, 724753, 787775, 945330, 1449506, 1575550, 1890660, 2174259, 2363325, 2899012, 3151100, 3623765, 4348518, 4726650, 7247530, 8697036, 9453300, 10871295, 14495060, 18118825, 21742590, 36237650, 43485180, 54356475, 72475300, 108712950, 217425900]

約数ペア:

[(1, 217425900), (2, 108712950), (3, 72475300), (4, 54356475), (5, 43485180), (6, 36237650), (10, 21742590), (12, 18118825), (15, 14495060), (20, 10871295), (23, 9453300), (25, 8697036), (30, 7247530), (46, 4726650), (50, 4348518), (60, 3623765), (69, 3151100), (75, 2899012), (92, 2363325), (100, 2174259), (115, 1890660), (138, 1575550), (150, 1449506), (230, 945330), (276, 787775), (300, 724753), (345, 630220), (460, 472665), (575, 378132), (690, 315110), (1150, 189066), (1380, 157555), (1725, 126044), (2300, 94533), (3450, 63022), (6900, 31511)]