1871500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 4324320

約数和(自身を除く): 2452820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 197, 250, 380, 394, 475, 500, 788, 950, 985, 1900, 1970, 2375, 3743, 3940, 4750, 4925, 7486, 9500, 9850, 14972, 18715, 19700, 24625, 37430, 49250, 74860, 93575, 98500, 187150, 374300, 467875, 935750, 1871500]

約数ペア:

[(1, 1871500), (2, 935750), (4, 467875), (5, 374300), (10, 187150), (19, 98500), (20, 93575), (25, 74860), (38, 49250), (50, 37430), (76, 24625), (95, 19700), (100, 18715), (125, 14972), (190, 9850), (197, 9500), (250, 7486), (380, 4925), (394, 4750), (475, 3940), (500, 3743), (788, 2375), (950, 1970), (985, 1900)]