2008991072

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{37}}^2\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 108

約数和(自身を含む): 4479916140

約数和(自身を除く): 2470925068

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 121, 148, 176, 242, 296, 352, 379, 407, 484, 592, 758, 814, 968, 1184, 1369, 1516, 1628, 1936, 2738, 3032, 3256, 3872, 4169, 4477, 5476, 6064, 6512, 8338, 8954, 10952, 12128, 13024, 14023, 15059, 16676, 17908, 21904, 28046, 30118, 33352, 35816, 43808, 45859, 56092, 60236, 66704, 71632, 91718, 112184, 120472, 133408, 143264, 154253, 165649, 183436, 224368, 240944, 308506, 331298, 366872, 448736, 481888, 518851, 617012, 662596, 733744, 1037702, 1234024, 1325192, 1467488, 1696783, 2075404, 2468048, 2650384, 3393566, 4150808, 4936096, 5300768, 5707361, 6787132, 8301616, 11414722, 13574264, 16603232, 22829444, 27148528, 45658888, 54297056, 62780971, 91317776, 125561942, 182635552, 251123884, 502247768, 1004495536, 2008991072]

約数ペア:

[(1, 2008991072), (2, 1004495536), (4, 502247768), (8, 251123884), (11, 182635552), (16, 125561942), (22, 91317776), (32, 62780971), (37, 54297056), (44, 45658888), (74, 27148528), (88, 22829444), (121, 16603232), (148, 13574264), (176, 11414722), (242, 8301616), (296, 6787132), (352, 5707361), (379, 5300768), (407, 4936096), (484, 4150808), (592, 3393566), (758, 2650384), (814, 2468048), (968, 2075404), (1184, 1696783), (1369, 1467488), (1516, 1325192), (1628, 1234024), (1936, 1037702), (2738, 733744), (3032, 662596), (3256, 617012), (3872, 518851), (4169, 481888), (4477, 448736), (5476, 366872), (6064, 331298), (6512, 308506), (8338, 240944), (8954, 224368), (10952, 183436), (12128, 165649), (13024, 154253), (14023, 143264), (15059, 133408), (16676, 120472), (17908, 112184), (21904, 91718), (28046, 71632), (30118, 66704), (33352, 60236), (35816, 56092), (43808, 45859)]