2019172875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 3804143616

約数和(自身を除く): 1784970741

約数列:

[1, 3, 5, 15, 17, 23, 25, 47, 51, 69, 75, 85, 115, 125, 141, 235, 255, 293, 345, 375, 391, 425, 575, 705, 799, 879, 1081, 1173, 1175, 1275, 1465, 1725, 1955, 2125, 2397, 2875, 3243, 3525, 3995, 4395, 4981, 5405, 5865, 5875, 6375, 6739, 7325, 8625, 9775, 11985, 13771, 14943, 16215, 17625, 18377, 19975, 20217, 21975, 24905, 27025, 29325, 33695, 36625, 41313, 48875, 55131, 59925, 68855, 74715, 81075, 91885, 99875, 101085, 109875, 114563, 124525, 135125, 146625, 168475, 206565, 234107, 275655, 299625, 316733, 343689, 344275, 373575, 405375, 459425, 505425, 572815, 622625, 702321, 842375, 950199, 1032825, 1170535, 1378275, 1583665, 1718445, 1721375, 1867875, 2297125, 2527125, 2864075, 3511605, 4750995, 5164125, 5384461, 5852675, 6891375, 7918325, 8592225, 14320375, 16153383, 17558025, 23754975, 26922305, 29263375, 39591625, 42961125, 80766915, 87790125, 118774875, 134611525, 403834575, 673057625, 2019172875]

約数ペア:

[(1, 2019172875), (3, 673057625), (5, 403834575), (15, 134611525), (17, 118774875), (23, 87790125), (25, 80766915), (47, 42961125), (51, 39591625), (69, 29263375), (75, 26922305), (85, 23754975), (115, 17558025), (125, 16153383), (141, 14320375), (235, 8592225), (255, 7918325), (293, 6891375), (345, 5852675), (375, 5384461), (391, 5164125), (425, 4750995), (575, 3511605), (705, 2864075), (799, 2527125), (879, 2297125), (1081, 1867875), (1173, 1721375), (1175, 1718445), (1275, 1583665), (1465, 1378275), (1725, 1170535), (1955, 1032825), (2125, 950199), (2397, 842375), (2875, 702321), (3243, 622625), (3525, 572815), (3995, 505425), (4395, 459425), (4981, 405375), (5405, 373575), (5865, 344275), (5875, 343689), (6375, 316733), (6739, 299625), (7325, 275655), (8625, 234107), (9775, 206565), (11985, 168475), (13771, 146625), (14943, 135125), (16215, 124525), (17625, 114563), (18377, 109875), (19975, 101085), (20217, 99875), (21975, 91885), (24905, 81075), (27025, 74715), (29325, 68855), (33695, 59925), (36625, 55131), (41313, 48875)]