64618750

素因数分解:

$2^1\times 5^5\times 7^2\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 141600312

約数和(自身を除く): 76981562

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 211, 245, 250, 350, 422, 490, 625, 875, 1055, 1225, 1250, 1477, 1750, 2110, 2450, 2954, 3125, 4375, 5275, 6125, 6250, 7385, 8750, 10339, 10550, 12250, 14770, 20678, 21875, 26375, 30625, 36925, 43750, 51695, 52750, 61250, 73850, 103390, 131875, 153125, 184625, 258475, 263750, 306250, 369250, 516950, 659375, 923125, 1292375, 1318750, 1846250, 2584750, 4615625, 6461875, 9231250, 12923750, 32309375, 64618750]

約数ペア:

[(1, 64618750), (2, 32309375), (5, 12923750), (7, 9231250), (10, 6461875), (14, 4615625), (25, 2584750), (35, 1846250), (49, 1318750), (50, 1292375), (70, 923125), (98, 659375), (125, 516950), (175, 369250), (211, 306250), (245, 263750), (250, 258475), (350, 184625), (422, 153125), (490, 131875), (625, 103390), (875, 73850), (1055, 61250), (1225, 52750), (1250, 51695), (1477, 43750), (1750, 36925), (2110, 30625), (2450, 26375), (2954, 21875), (3125, 20678), (4375, 14770), (5275, 12250), (6125, 10550), (6250, 10339), (7385, 8750)]