989754920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1583}}^1$

素因数の和:1648

約数の個数: 192

約数和(自身を含む): 2925331200

約数和(自身を除く): 1935576280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 49, 55, 56, 58, 70, 77, 88, 98, 110, 116, 140, 145, 154, 196, 203, 220, 232, 245, 280, 290, 308, 319, 385, 392, 406, 440, 490, 539, 580, 616, 638, 770, 812, 980, 1015, 1078, 1160, 1276, 1421, 1540, 1583, 1595, 1624, 1960, 2030, 2156, 2233, 2552, 2695, 2842, 3080, 3166, 3190, 4060, 4312, 4466, 5390, 5684, 6332, 6380, 7105, 7915, 8120, 8932, 10780, 11081, 11165, 11368, 12664, 12760, 14210, 15631, 15830, 17413, 17864, 21560, 22162, 22330, 28420, 31262, 31660, 34826, 44324, 44660, 45907, 55405, 56840, 62524, 63320, 69652, 77567, 78155, 87065, 88648, 89320, 91814, 110810, 121891, 125048, 139304, 155134, 156310, 174130, 183628, 221620, 229535, 243782, 310268, 312620, 321349, 348260, 367256, 387835, 443240, 459070, 487564, 504977, 609455, 620536, 625240, 642698, 696520, 775670, 853237, 918140, 975128, 1009954, 1218910, 1285396, 1551340, 1606745, 1706474, 1836280, 2019908, 2249443, 2437820, 2524885, 2570792, 3102680, 3213490, 3412948, 3534839, 4039816, 4266185, 4498886, 4875640, 5049770, 6426980, 6825896, 7069678, 8532370, 8997772, 10099540, 11247215, 12853960, 14139356, 17064740, 17674195, 17995544, 20199080, 22494430, 24743873, 28278712, 34129480, 35348390, 44988860, 49487746, 70696780, 89977720, 98975492, 123719365, 141393560, 197950984, 247438730, 494877460, 989754920]

約数ペア:

[(1, 989754920), (2, 494877460), (4, 247438730), (5, 197950984), (7, 141393560), (8, 123719365), (10, 98975492), (11, 89977720), (14, 70696780), (20, 49487746), (22, 44988860), (28, 35348390), (29, 34129480), (35, 28278712), (40, 24743873), (44, 22494430), (49, 20199080), (55, 17995544), (56, 17674195), (58, 17064740), (70, 14139356), (77, 12853960), (88, 11247215), (98, 10099540), (110, 8997772), (116, 8532370), (140, 7069678), (145, 6825896), (154, 6426980), (196, 5049770), (203, 4875640), (220, 4498886), (232, 4266185), (245, 4039816), (280, 3534839), (290, 3412948), (308, 3213490), (319, 3102680), (385, 2570792), (392, 2524885), (406, 2437820), (440, 2249443), (490, 2019908), (539, 1836280), (580, 1706474), (616, 1606745), (638, 1551340), (770, 1285396), (812, 1218910), (980, 1009954), (1015, 975128), (1078, 918140), (1160, 853237), (1276, 775670), (1421, 696520), (1540, 642698), (1583, 625240), (1595, 620536), (1624, 609455), (1960, 504977), (2030, 487564), (2156, 459070), (2233, 443240), (2552, 387835), (2695, 367256), (2842, 348260), (3080, 321349), (3166, 312620), (3190, 310268), (4060, 243782), (4312, 229535), (4466, 221620), (5390, 183628), (5684, 174130), (6332, 156310), (6380, 155134), (7105, 139304), (7915, 125048), (8120, 121891), (8932, 110810), (10780, 91814), (11081, 89320), (11165, 88648), (11368, 87065), (12664, 78155), (12760, 77567), (14210, 69652), (15631, 63320), (15830, 62524), (17413, 56840), (17864, 55405), (21560, 45907), (22162, 44660), (22330, 44324), (28420, 34826), (31262, 31660)]