28091021100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{68699}}^1$

素因数の和:68792

約数の個数: 144

約数和(自身を含む): 85869504000

約数和(自身を除く): 57778482900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 47, 50, 58, 60, 75, 87, 94, 100, 116, 141, 145, 150, 174, 188, 235, 282, 290, 300, 348, 435, 470, 564, 580, 705, 725, 870, 940, 1175, 1363, 1410, 1450, 1740, 2175, 2350, 2726, 2820, 2900, 3525, 4089, 4350, 4700, 5452, 6815, 7050, 8178, 8700, 13630, 14100, 16356, 20445, 27260, 34075, 40890, 68150, 68699, 81780, 102225, 136300, 137398, 204450, 206097, 274796, 343495, 408900, 412194, 686990, 824388, 1030485, 1373980, 1717475, 1992271, 2060970, 3228853, 3434950, 3984542, 4121940, 5152425, 5976813, 6457706, 6869900, 7969084, 9686559, 9961355, 10304850, 11953626, 12915412, 16144265, 19373118, 19922710, 20609700, 23907252, 29884065, 32288530, 38746236, 39845420, 48432795, 49806775, 59768130, 64577060, 80721325, 93636737, 96865590, 99613550, 119536260, 149420325, 161442650, 187273474, 193731180, 199227100, 242163975, 280910211, 298840650, 322885300, 374546948, 468183685, 484327950, 561820422, 597681300, 936367370, 968655900, 1123640844, 1404551055, 1872734740, 2340918425, 2809102110, 4681836850, 5618204220, 7022755275, 9363673700, 14045510550, 28091021100]

約数ペア:

[(1, 28091021100), (2, 14045510550), (3, 9363673700), (4, 7022755275), (5, 5618204220), (6, 4681836850), (10, 2809102110), (12, 2340918425), (15, 1872734740), (20, 1404551055), (25, 1123640844), (29, 968655900), (30, 936367370), (47, 597681300), (50, 561820422), (58, 484327950), (60, 468183685), (75, 374546948), (87, 322885300), (94, 298840650), (100, 280910211), (116, 242163975), (141, 199227100), (145, 193731180), (150, 187273474), (174, 161442650), (188, 149420325), (235, 119536260), (282, 99613550), (290, 96865590), (300, 93636737), (348, 80721325), (435, 64577060), (470, 59768130), (564, 49806775), (580, 48432795), (705, 39845420), (725, 38746236), (870, 32288530), (940, 29884065), (1175, 23907252), (1363, 20609700), (1410, 19922710), (1450, 19373118), (1740, 16144265), (2175, 12915412), (2350, 11953626), (2726, 10304850), (2820, 9961355), (2900, 9686559), (3525, 7969084), (4089, 6869900), (4350, 6457706), (4700, 5976813), (5452, 5152425), (6815, 4121940), (7050, 3984542), (8178, 3434950), (8700, 3228853), (13630, 2060970), (14100, 1992271), (16356, 1717475), (20445, 1373980), (27260, 1030485), (34075, 824388), (40890, 686990), (68150, 412194), (68699, 408900), (81780, 343495), (102225, 274796), (136300, 206097), (137398, 204450)]