1947500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 60

約数和(自身を含む): 4592280

約数和(自身を除く): 2644780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 125, 164, 190, 205, 250, 380, 410, 475, 500, 625, 779, 820, 950, 1025, 1250, 1558, 1900, 2050, 2375, 2500, 3116, 3895, 4100, 4750, 5125, 7790, 9500, 10250, 11875, 15580, 19475, 20500, 23750, 25625, 38950, 47500, 51250, 77900, 97375, 102500, 194750, 389500, 486875, 973750, 1947500]

約数ペア:

[(1, 1947500), (2, 973750), (4, 486875), (5, 389500), (10, 194750), (19, 102500), (20, 97375), (25, 77900), (38, 51250), (41, 47500), (50, 38950), (76, 25625), (82, 23750), (95, 20500), (100, 19475), (125, 15580), (164, 11875), (190, 10250), (205, 9500), (250, 7790), (380, 5125), (410, 4750), (475, 4100), (500, 3895), (625, 3116), (779, 2500), (820, 2375), (950, 2050), (1025, 1900), (1250, 1558)]