71905000

素因数分解:

$2^3\times 5^4\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 171648180

約数和(自身を除く): 99743180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 125, 146, 197, 200, 250, 292, 365, 394, 500, 584, 625, 730, 788, 985, 1000, 1250, 1460, 1576, 1825, 1970, 2500, 2920, 3650, 3940, 4925, 5000, 7300, 7880, 9125, 9850, 14381, 14600, 18250, 19700, 24625, 28762, 36500, 39400, 45625, 49250, 57524, 71905, 73000, 91250, 98500, 115048, 123125, 143810, 182500, 197000, 246250, 287620, 359525, 365000, 492500, 575240, 719050, 985000, 1438100, 1797625, 2876200, 3595250, 7190500, 8988125, 14381000, 17976250, 35952500, 71905000]

約数ペア:

[(1, 71905000), (2, 35952500), (4, 17976250), (5, 14381000), (8, 8988125), (10, 7190500), (20, 3595250), (25, 2876200), (40, 1797625), (50, 1438100), (73, 985000), (100, 719050), (125, 575240), (146, 492500), (197, 365000), (200, 359525), (250, 287620), (292, 246250), (365, 197000), (394, 182500), (500, 143810), (584, 123125), (625, 115048), (730, 98500), (788, 91250), (985, 73000), (1000, 71905), (1250, 57524), (1460, 49250), (1576, 45625), (1825, 39400), (1970, 36500), (2500, 28762), (2920, 24625), (3650, 19700), (3940, 18250), (4925, 14600), (5000, 14381), (7300, 9850), (7880, 9125)]