121457500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2600

約数の個数: 60

約数和(自身を含む): 279691720

約数和(自身を除く): 158234220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 625, 950, 1250, 1900, 2375, 2500, 2557, 4750, 5114, 9500, 10228, 11875, 12785, 23750, 25570, 47500, 48583, 51140, 63925, 97166, 127850, 194332, 242915, 255700, 319625, 485830, 639250, 971660, 1214575, 1278500, 1598125, 2429150, 3196250, 4858300, 6072875, 6392500, 12145750, 24291500, 30364375, 60728750, 121457500]

約数ペア:

[(1, 121457500), (2, 60728750), (4, 30364375), (5, 24291500), (10, 12145750), (19, 6392500), (20, 6072875), (25, 4858300), (38, 3196250), (50, 2429150), (76, 1598125), (95, 1278500), (100, 1214575), (125, 971660), (190, 639250), (250, 485830), (380, 319625), (475, 255700), (500, 242915), (625, 194332), (950, 127850), (1250, 97166), (1900, 63925), (2375, 51140), (2500, 48583), (2557, 47500), (4750, 25570), (5114, 23750), (9500, 12785), (10228, 11875)]