66927500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1452

約数の個数: 60

約数和(自身を含む): 154169400

約数和(自身を除く): 87241900

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, 1409, 1900, 2375, 2500, 2818, 4750, 5636, 7045, 9500, 11875, 14090, 23750, 26771, 28180, 35225, 47500, 53542, 70450, 107084, 133855, 140900, 176125, 267710, 352250, 535420, 669275, 704500, 880625, 1338550, 1761250, 2677100, 3346375, 3522500, 6692750, 13385500, 16731875, 33463750, 66927500]

約数ペア:

[(1, 66927500), (2, 33463750), (4, 16731875), (5, 13385500), (10, 6692750), (19, 3522500), (20, 3346375), (25, 2677100), (38, 1761250), (50, 1338550), (76, 880625), (95, 704500), (100, 669275), (125, 535420), (190, 352250), (250, 267710), (380, 176125), (475, 140900), (500, 133855), (625, 107084), (950, 70450), (1250, 53542), (1409, 47500), (1900, 35225), (2375, 28180), (2500, 26771), (2818, 23750), (4750, 14090), (5636, 11875), (7045, 9500)]