38890700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 90640032

約数和(自身を除く): 51749332

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 37, 46, 50, 74, 92, 100, 115, 148, 185, 230, 370, 457, 460, 575, 740, 851, 914, 925, 1150, 1702, 1828, 1850, 2285, 2300, 3404, 3700, 4255, 4570, 8510, 9140, 10511, 11425, 16909, 17020, 21022, 21275, 22850, 33818, 42044, 42550, 45700, 52555, 67636, 84545, 85100, 105110, 169090, 210220, 262775, 338180, 388907, 422725, 525550, 777814, 845450, 1051100, 1555628, 1690900, 1944535, 3889070, 7778140, 9722675, 19445350, 38890700]

約数ペア:

[(1, 38890700), (2, 19445350), (4, 9722675), (5, 7778140), (10, 3889070), (20, 1944535), (23, 1690900), (25, 1555628), (37, 1051100), (46, 845450), (50, 777814), (74, 525550), (92, 422725), (100, 388907), (115, 338180), (148, 262775), (185, 210220), (230, 169090), (370, 105110), (457, 85100), (460, 84545), (575, 67636), (740, 52555), (851, 45700), (914, 42550), (925, 42044), (1150, 33818), (1702, 22850), (1828, 21275), (1850, 21022), (2285, 17020), (2300, 16909), (3404, 11425), (3700, 10511), (4255, 9140), (4570, 8510)]