18001750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 19737770

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 125, 130, 145, 191, 250, 290, 325, 377, 382, 650, 725, 754, 955, 1450, 1625, 1885, 1910, 2483, 3250, 3625, 3770, 4775, 4966, 5539, 7250, 9425, 9550, 11078, 12415, 18850, 23875, 24830, 27695, 47125, 47750, 55390, 62075, 72007, 94250, 124150, 138475, 144014, 276950, 310375, 360035, 620750, 692375, 720070, 1384750, 1800175, 3600350, 9000875, 18001750]

約数ペア:

[(1, 18001750), (2, 9000875), (5, 3600350), (10, 1800175), (13, 1384750), (25, 720070), (26, 692375), (29, 620750), (50, 360035), (58, 310375), (65, 276950), (125, 144014), (130, 138475), (145, 124150), (191, 94250), (250, 72007), (290, 62075), (325, 55390), (377, 47750), (382, 47125), (650, 27695), (725, 24830), (754, 23875), (955, 18850), (1450, 12415), (1625, 11078), (1885, 9550), (1910, 9425), (2483, 7250), (3250, 5539), (3625, 4966), (3770, 4775)]