2009005964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2119

約数の個数: 96

約数和(自身を含む): 4439715840

約数和(自身を除く): 2430709876

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 61, 62, 76, 122, 124, 133, 217, 244, 266, 427, 434, 532, 589, 854, 868, 1159, 1178, 1708, 1891, 1997, 2318, 2356, 3782, 3994, 4123, 4636, 7564, 7988, 8113, 8246, 13237, 13979, 16226, 16492, 26474, 27958, 32452, 35929, 37943, 52948, 55916, 61907, 71858, 75886, 121817, 123814, 143716, 151772, 243634, 247628, 251503, 265601, 433349, 487268, 503006, 531202, 852719, 866698, 1006012, 1062404, 1176233, 1705438, 1733396, 2314523, 2352466, 3410876, 3776327, 4629046, 4704932, 7552654, 8233631, 9258092, 15105308, 16201661, 16467262, 26434289, 32403322, 32934524, 52868578, 64806644, 71750213, 105737156, 143500426, 287000852, 502251491, 1004502982, 2009005964]

約数ペア:

[(1, 2009005964), (2, 1004502982), (4, 502251491), (7, 287000852), (14, 143500426), (19, 105737156), (28, 71750213), (31, 64806644), (38, 52868578), (61, 32934524), (62, 32403322), (76, 26434289), (122, 16467262), (124, 16201661), (133, 15105308), (217, 9258092), (244, 8233631), (266, 7552654), (427, 4704932), (434, 4629046), (532, 3776327), (589, 3410876), (854, 2352466), (868, 2314523), (1159, 1733396), (1178, 1705438), (1708, 1176233), (1891, 1062404), (1997, 1006012), (2318, 866698), (2356, 852719), (3782, 531202), (3994, 503006), (4123, 487268), (4636, 433349), (7564, 265601), (7988, 251503), (8113, 247628), (8246, 243634), (13237, 151772), (13979, 143716), (16226, 123814), (16492, 121817), (26474, 75886), (27958, 71858), (32452, 61907), (35929, 55916), (37943, 52948)]