812565880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1$

素因数の和:2009

約数の個数: 128

約数和(自身を含む): 2199415680

約数和(自身を除く): 1386849800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 41, 56, 70, 74, 82, 140, 148, 164, 185, 205, 259, 280, 287, 296, 328, 370, 410, 518, 574, 740, 820, 1036, 1148, 1295, 1435, 1480, 1517, 1640, 1913, 2072, 2296, 2590, 2870, 3034, 3826, 5180, 5740, 6068, 7585, 7652, 9565, 10360, 10619, 11480, 12136, 13391, 15170, 15304, 19130, 21238, 26782, 30340, 38260, 42476, 53095, 53564, 60680, 66955, 70781, 76520, 78433, 84952, 106190, 107128, 133910, 141562, 156866, 212380, 267820, 283124, 313732, 353905, 392165, 424760, 495467, 535640, 549031, 566248, 627464, 707810, 784330, 990934, 1098062, 1415620, 1568660, 1981868, 2196124, 2477335, 2745155, 2831240, 2902021, 3137320, 3963736, 4392248, 4954670, 5490310, 5804042, 9909340, 10980620, 11608084, 14510105, 19818680, 20314147, 21961240, 23216168, 29020210, 40628294, 58040420, 81256588, 101570735, 116080840, 162513176, 203141470, 406282940, 812565880]

約数ペア:

[(1, 812565880), (2, 406282940), (4, 203141470), (5, 162513176), (7, 116080840), (8, 101570735), (10, 81256588), (14, 58040420), (20, 40628294), (28, 29020210), (35, 23216168), (37, 21961240), (40, 20314147), (41, 19818680), (56, 14510105), (70, 11608084), (74, 10980620), (82, 9909340), (140, 5804042), (148, 5490310), (164, 4954670), (185, 4392248), (205, 3963736), (259, 3137320), (280, 2902021), (287, 2831240), (296, 2745155), (328, 2477335), (370, 2196124), (410, 1981868), (518, 1568660), (574, 1415620), (740, 1098062), (820, 990934), (1036, 784330), (1148, 707810), (1295, 627464), (1435, 566248), (1480, 549031), (1517, 535640), (1640, 495467), (1913, 424760), (2072, 392165), (2296, 353905), (2590, 313732), (2870, 283124), (3034, 267820), (3826, 212380), (5180, 156866), (5740, 141562), (6068, 133910), (7585, 107128), (7652, 106190), (9565, 84952), (10360, 78433), (10619, 76520), (11480, 70781), (12136, 66955), (13391, 60680), (15170, 53564), (15304, 53095), (19130, 42476), (21238, 38260), (26782, 30340)]