339985000

素因数分解:

$2^3\times 5^4\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 805945140

約数和(自身を除く): 465960140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 125, 194, 200, 250, 388, 485, 500, 625, 701, 776, 970, 1000, 1250, 1402, 1940, 2425, 2500, 2804, 3505, 3880, 4850, 5000, 5608, 7010, 9700, 12125, 14020, 17525, 19400, 24250, 28040, 35050, 48500, 60625, 67997, 70100, 87625, 97000, 121250, 135994, 140200, 175250, 242500, 271988, 339985, 350500, 438125, 485000, 543976, 679970, 701000, 876250, 1359940, 1699925, 1752500, 2719880, 3399850, 3505000, 6799700, 8499625, 13599400, 16999250, 33998500, 42498125, 67997000, 84996250, 169992500, 339985000]

約数ペア:

[(1, 339985000), (2, 169992500), (4, 84996250), (5, 67997000), (8, 42498125), (10, 33998500), (20, 16999250), (25, 13599400), (40, 8499625), (50, 6799700), (97, 3505000), (100, 3399850), (125, 2719880), (194, 1752500), (200, 1699925), (250, 1359940), (388, 876250), (485, 701000), (500, 679970), (625, 543976), (701, 485000), (776, 438125), (970, 350500), (1000, 339985), (1250, 271988), (1402, 242500), (1940, 175250), (2425, 140200), (2500, 135994), (2804, 121250), (3505, 97000), (3880, 87625), (4850, 70100), (5000, 67997), (5608, 60625), (7010, 48500), (9700, 35050), (12125, 28040), (14020, 24250), (17525, 19400)]