2000205960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1$

素因数の和:1095

約数の個数: 128

約数和(自身を含む): 6097230720

約数和(自身を除く): 4097024760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 227, 291, 388, 454, 485, 582, 681, 757, 776, 908, 970, 1135, 1164, 1362, 1455, 1514, 1816, 1940, 2270, 2271, 2328, 2724, 2910, 3028, 3405, 3785, 3880, 4540, 4542, 5448, 5820, 6056, 6810, 7570, 9080, 9084, 11355, 11640, 13620, 15140, 18168, 22019, 22710, 27240, 30280, 44038, 45420, 66057, 73429, 88076, 90840, 110095, 132114, 146858, 171839, 176152, 220190, 220287, 264228, 293716, 330285, 343678, 367145, 440380, 440574, 515517, 528456, 587432, 660570, 687356, 734290, 859195, 880760, 881148, 1031034, 1101435, 1321140, 1374712, 1468580, 1718390, 1762296, 2062068, 2202870, 2577585, 2642280, 2937160, 3436780, 4124136, 4405740, 5155170, 6873560, 8811480, 10310340, 16668383, 20620680, 33336766, 50005149, 66673532, 83341915, 100010298, 133347064, 166683830, 200020596, 250025745, 333367660, 400041192, 500051490, 666735320, 1000102980, 2000205960]

約数ペア:

[(1, 2000205960), (2, 1000102980), (3, 666735320), (4, 500051490), (5, 400041192), (6, 333367660), (8, 250025745), (10, 200020596), (12, 166683830), (15, 133347064), (20, 100010298), (24, 83341915), (30, 66673532), (40, 50005149), (60, 33336766), (97, 20620680), (120, 16668383), (194, 10310340), (227, 8811480), (291, 6873560), (388, 5155170), (454, 4405740), (485, 4124136), (582, 3436780), (681, 2937160), (757, 2642280), (776, 2577585), (908, 2202870), (970, 2062068), (1135, 1762296), (1164, 1718390), (1362, 1468580), (1455, 1374712), (1514, 1321140), (1816, 1101435), (1940, 1031034), (2270, 881148), (2271, 880760), (2328, 859195), (2724, 734290), (2910, 687356), (3028, 660570), (3405, 587432), (3785, 528456), (3880, 515517), (4540, 440574), (4542, 440380), (5448, 367145), (5820, 343678), (6056, 330285), (6810, 293716), (7570, 264228), (9080, 220287), (9084, 220190), (11355, 176152), (11640, 171839), (13620, 146858), (15140, 132114), (18168, 110095), (22019, 90840), (22710, 88076), (27240, 73429), (30280, 66057), (44038, 45420)]