98375000

素因数分解:

$2^3\times 5^6\times {\mathrm{787}}^1$

素因数の和:823

約数の個数: 56

約数和(自身を含む): 230856420

約数和(自身を除く): 132481420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 787, 1000, 1250, 1574, 2500, 3125, 3148, 3935, 5000, 6250, 6296, 7870, 12500, 15625, 15740, 19675, 25000, 31250, 31480, 39350, 62500, 78700, 98375, 125000, 157400, 196750, 393500, 491875, 787000, 983750, 1967500, 2459375, 3935000, 4918750, 9837500, 12296875, 19675000, 24593750, 49187500, 98375000]

約数ペア:

[(1, 98375000), (2, 49187500), (4, 24593750), (5, 19675000), (8, 12296875), (10, 9837500), (20, 4918750), (25, 3935000), (40, 2459375), (50, 1967500), (100, 983750), (125, 787000), (200, 491875), (250, 393500), (500, 196750), (625, 157400), (787, 125000), (1000, 98375), (1250, 78700), (1574, 62500), (2500, 39350), (3125, 31480), (3148, 31250), (3935, 25000), (5000, 19675), (6250, 15740), (6296, 15625), (7870, 12500)]