2819939000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:802

約数の個数: 128

約数和(自身を含む): 6832425600

約数和(自身を除く): 4012486600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 109, 125, 164, 200, 205, 218, 250, 328, 410, 436, 500, 545, 631, 820, 872, 1000, 1025, 1090, 1262, 1640, 2050, 2180, 2524, 2725, 3155, 4100, 4360, 4469, 5048, 5125, 5450, 6310, 8200, 8938, 10250, 10900, 12620, 13625, 15775, 17876, 20500, 21800, 22345, 25240, 25871, 27250, 31550, 35752, 41000, 44690, 51742, 54500, 63100, 68779, 78875, 89380, 103484, 109000, 111725, 126200, 129355, 137558, 157750, 178760, 206968, 223450, 258710, 275116, 315500, 343895, 446900, 517420, 550232, 558625, 631000, 646775, 687790, 893800, 1034840, 1117250, 1293550, 1375580, 1719475, 2234500, 2587100, 2751160, 2819939, 3233875, 3438950, 4469000, 5174200, 5639878, 6467750, 6877900, 8597375, 11279756, 12935500, 13755800, 14099695, 17194750, 22559512, 25871000, 28199390, 34389500, 56398780, 68779000, 70498475, 112797560, 140996950, 281993900, 352492375, 563987800, 704984750, 1409969500, 2819939000]

約数ペア:

[(1, 2819939000), (2, 1409969500), (4, 704984750), (5, 563987800), (8, 352492375), (10, 281993900), (20, 140996950), (25, 112797560), (40, 70498475), (41, 68779000), (50, 56398780), (82, 34389500), (100, 28199390), (109, 25871000), (125, 22559512), (164, 17194750), (200, 14099695), (205, 13755800), (218, 12935500), (250, 11279756), (328, 8597375), (410, 6877900), (436, 6467750), (500, 5639878), (545, 5174200), (631, 4469000), (820, 3438950), (872, 3233875), (1000, 2819939), (1025, 2751160), (1090, 2587100), (1262, 2234500), (1640, 1719475), (2050, 1375580), (2180, 1293550), (2524, 1117250), (2725, 1034840), (3155, 893800), (4100, 687790), (4360, 646775), (4469, 631000), (5048, 558625), (5125, 550232), (5450, 517420), (6310, 446900), (8200, 343895), (8938, 315500), (10250, 275116), (10900, 258710), (12620, 223450), (13625, 206968), (15775, 178760), (17876, 157750), (20500, 137558), (21800, 129355), (22345, 126200), (25240, 111725), (25871, 109000), (27250, 103484), (31550, 89380), (35752, 78875), (41000, 68779), (44690, 63100), (51742, 54500)]