28687900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12473}}^1$

素因数の和:12510

約数の個数: 36

約数和(自身を含む): 64964592

約数和(自身を除く): 36276692

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 12473, 24946, 49892, 62365, 124730, 249460, 286879, 311825, 573758, 623650, 1147516, 1247300, 1434395, 2868790, 5737580, 7171975, 14343950, 28687900]

約数ペア:

[(1, 28687900), (2, 14343950), (4, 7171975), (5, 5737580), (10, 2868790), (20, 1434395), (23, 1247300), (25, 1147516), (46, 623650), (50, 573758), (92, 311825), (100, 286879), (115, 249460), (230, 124730), (460, 62365), (575, 49892), (1150, 24946), (2300, 12473)]