87970000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:510

約数の個数: 100

約数和(自身を含む): 224678080

約数和(自身を除く): 136708080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 463, 475, 500, 625, 760, 926, 950, 1000, 1250, 1520, 1852, 1900, 2000, 2315, 2375, 2500, 3704, 3800, 4630, 4750, 5000, 7408, 7600, 8797, 9260, 9500, 10000, 11575, 11875, 17594, 18520, 19000, 23150, 23750, 35188, 37040, 38000, 43985, 46300, 47500, 57875, 70376, 87970, 92600, 95000, 115750, 140752, 175940, 185200, 190000, 219925, 231500, 289375, 351880, 439850, 463000, 578750, 703760, 879700, 926000, 1099625, 1157500, 1759400, 2199250, 2315000, 3518800, 4398500, 4630000, 5498125, 8797000, 10996250, 17594000, 21992500, 43985000, 87970000]

約数ペア:

[(1, 87970000), (2, 43985000), (4, 21992500), (5, 17594000), (8, 10996250), (10, 8797000), (16, 5498125), (19, 4630000), (20, 4398500), (25, 3518800), (38, 2315000), (40, 2199250), (50, 1759400), (76, 1157500), (80, 1099625), (95, 926000), (100, 879700), (125, 703760), (152, 578750), (190, 463000), (200, 439850), (250, 351880), (304, 289375), (380, 231500), (400, 219925), (463, 190000), (475, 185200), (500, 175940), (625, 140752), (760, 115750), (926, 95000), (950, 92600), (1000, 87970), (1250, 70376), (1520, 57875), (1852, 47500), (1900, 46300), (2000, 43985), (2315, 38000), (2375, 37040), (2500, 35188), (3704, 23750), (3800, 23150), (4630, 19000), (4750, 18520), (5000, 17594), (7408, 11875), (7600, 11575), (8797, 10000), (9260, 9500)]