81899500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 194201280

約数和(自身を除く): 112301780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 125, 148, 185, 190, 233, 250, 370, 380, 466, 475, 500, 703, 740, 925, 932, 950, 1165, 1406, 1850, 1900, 2330, 2375, 2812, 3515, 3700, 4427, 4625, 4660, 4750, 5825, 7030, 8621, 8854, 9250, 9500, 11650, 14060, 17242, 17575, 17708, 18500, 22135, 23300, 29125, 34484, 35150, 43105, 44270, 58250, 70300, 86210, 87875, 88540, 110675, 116500, 163799, 172420, 175750, 215525, 221350, 327598, 351500, 431050, 442700, 553375, 655196, 818995, 862100, 1077625, 1106750, 1637990, 2155250, 2213500, 3275980, 4094975, 4310500, 8189950, 16379900, 20474875, 40949750, 81899500]

約数ペア:

[(1, 81899500), (2, 40949750), (4, 20474875), (5, 16379900), (10, 8189950), (19, 4310500), (20, 4094975), (25, 3275980), (37, 2213500), (38, 2155250), (50, 1637990), (74, 1106750), (76, 1077625), (95, 862100), (100, 818995), (125, 655196), (148, 553375), (185, 442700), (190, 431050), (233, 351500), (250, 327598), (370, 221350), (380, 215525), (466, 175750), (475, 172420), (500, 163799), (703, 116500), (740, 110675), (925, 88540), (932, 87875), (950, 86210), (1165, 70300), (1406, 58250), (1850, 44270), (1900, 43105), (2330, 35150), (2375, 34484), (2812, 29125), (3515, 23300), (3700, 22135), (4427, 18500), (4625, 17708), (4660, 17575), (4750, 17242), (5825, 14060), (7030, 11650), (8621, 9500), (8854, 9250)]