196412500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 452783520

約数和(自身を除く): 256371020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 625, 827, 950, 1250, 1654, 1900, 2375, 2500, 3125, 3308, 4135, 4750, 6250, 8270, 9500, 11875, 12500, 15713, 16540, 20675, 23750, 31426, 41350, 47500, 59375, 62852, 78565, 82700, 103375, 118750, 157130, 206750, 237500, 314260, 392825, 413500, 516875, 785650, 1033750, 1571300, 1964125, 2067500, 2584375, 3928250, 5168750, 7856500, 9820625, 10337500, 19641250, 39282500, 49103125, 98206250, 196412500]

約数ペア:

[(1, 196412500), (2, 98206250), (4, 49103125), (5, 39282500), (10, 19641250), (19, 10337500), (20, 9820625), (25, 7856500), (38, 5168750), (50, 3928250), (76, 2584375), (95, 2067500), (100, 1964125), (125, 1571300), (190, 1033750), (250, 785650), (380, 516875), (475, 413500), (500, 392825), (625, 314260), (827, 237500), (950, 206750), (1250, 157130), (1654, 118750), (1900, 103375), (2375, 82700), (2500, 78565), (3125, 62852), (3308, 59375), (4135, 47500), (4750, 41350), (6250, 31426), (8270, 23750), (9500, 20675), (11875, 16540), (12500, 15713)]