121615900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2539

約数の個数: 72

約数和(自身を含む): 305980416

約数和(自身を除く): 184364516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1420, 1775, 1988, 2447, 2485, 3550, 4894, 4970, 7100, 9788, 9940, 12235, 12425, 17129, 24470, 24850, 34258, 48940, 49700, 61175, 68516, 85645, 122350, 171290, 173737, 244700, 342580, 347474, 428225, 694948, 856450, 868685, 1216159, 1712900, 1737370, 2432318, 3474740, 4343425, 4864636, 6080795, 8686850, 12161590, 17373700, 24323180, 30403975, 60807950, 121615900]

約数ペア:

[(1, 121615900), (2, 60807950), (4, 30403975), (5, 24323180), (7, 17373700), (10, 12161590), (14, 8686850), (20, 6080795), (25, 4864636), (28, 4343425), (35, 3474740), (50, 2432318), (70, 1737370), (71, 1712900), (100, 1216159), (140, 868685), (142, 856450), (175, 694948), (284, 428225), (350, 347474), (355, 342580), (497, 244700), (700, 173737), (710, 171290), (994, 122350), (1420, 85645), (1775, 68516), (1988, 61175), (2447, 49700), (2485, 48940), (3550, 34258), (4894, 24850), (4970, 24470), (7100, 17129), (9788, 12425), (9940, 12235)]