1306250

素因数分解:

$2^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:57

約数の個数: 48

約数和(自身を含む): 2812320

約数和(自身を除く): 1506070

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 418, 475, 550, 625, 950, 1045, 1250, 1375, 2090, 2375, 2750, 3125, 4750, 5225, 6250, 6875, 10450, 11875, 13750, 23750, 26125, 34375, 52250, 59375, 68750, 118750, 130625, 261250, 653125, 1306250]

約数ペア:

[(1, 1306250), (2, 653125), (5, 261250), (10, 130625), (11, 118750), (19, 68750), (22, 59375), (25, 52250), (38, 34375), (50, 26125), (55, 23750), (95, 13750), (110, 11875), (125, 10450), (190, 6875), (209, 6250), (250, 5225), (275, 4750), (418, 3125), (475, 2750), (550, 2375), (625, 2090), (950, 1375), (1045, 1250)]