201990992

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 465922560

約数和(自身を除く): 263931568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 79, 112, 148, 158, 259, 296, 316, 518, 553, 592, 617, 632, 1036, 1106, 1234, 1264, 2072, 2212, 2468, 2923, 4144, 4319, 4424, 4936, 5846, 8638, 8848, 9872, 11692, 17276, 20461, 22829, 23384, 34552, 40922, 45658, 46768, 48743, 69104, 81844, 91316, 97486, 159803, 163688, 182632, 194972, 319606, 327376, 341201, 365264, 389944, 639212, 682402, 779888, 1278424, 1364804, 1803491, 2556848, 2729608, 3606982, 5459216, 7213964, 12624437, 14427928, 25248874, 28855856, 50497748, 100995496, 201990992]

約数ペア:

[(1, 201990992), (2, 100995496), (4, 50497748), (7, 28855856), (8, 25248874), (14, 14427928), (16, 12624437), (28, 7213964), (37, 5459216), (56, 3606982), (74, 2729608), (79, 2556848), (112, 1803491), (148, 1364804), (158, 1278424), (259, 779888), (296, 682402), (316, 639212), (518, 389944), (553, 365264), (592, 341201), (617, 327376), (632, 319606), (1036, 194972), (1106, 182632), (1234, 163688), (1264, 159803), (2072, 97486), (2212, 91316), (2468, 81844), (2923, 69104), (4144, 48743), (4319, 46768), (4424, 45658), (4936, 40922), (5846, 34552), (8638, 23384), (8848, 22829), (9872, 20461), (11692, 17276)]