216509600

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2131}}^1$

素因数の和:2278

約数の個数: 72

約数和(自身を含む): 532965888

約数和(自身を除く): 316456288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 2032, 2131, 2540, 3175, 4064, 4262, 5080, 6350, 8524, 10160, 10655, 12700, 17048, 20320, 21310, 25400, 34096, 42620, 50800, 53275, 68192, 85240, 101600, 106550, 170480, 213100, 270637, 340960, 426200, 541274, 852400, 1082548, 1353185, 1704800, 2165096, 2706370, 4330192, 5412740, 6765925, 8660384, 10825480, 13531850, 21650960, 27063700, 43301920, 54127400, 108254800, 216509600]

約数ペア:

[(1, 216509600), (2, 108254800), (4, 54127400), (5, 43301920), (8, 27063700), (10, 21650960), (16, 13531850), (20, 10825480), (25, 8660384), (32, 6765925), (40, 5412740), (50, 4330192), (80, 2706370), (100, 2165096), (127, 1704800), (160, 1353185), (200, 1082548), (254, 852400), (400, 541274), (508, 426200), (635, 340960), (800, 270637), (1016, 213100), (1270, 170480), (2032, 106550), (2131, 101600), (2540, 85240), (3175, 68192), (4064, 53275), (4262, 50800), (5080, 42620), (6350, 34096), (8524, 25400), (10160, 21310), (10655, 20320), (12700, 17048)]