30989912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 35106088

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 67, 68, 76, 134, 136, 152, 179, 268, 323, 358, 536, 646, 716, 1139, 1273, 1292, 1432, 2278, 2546, 2584, 3043, 3401, 4556, 5092, 6086, 6802, 9112, 10184, 11993, 12172, 13604, 21641, 23986, 24344, 27208, 43282, 47972, 57817, 86564, 95944, 115634, 173128, 203881, 227867, 231268, 407762, 455734, 462536, 815524, 911468, 1631048, 1822936, 3873739, 7747478, 15494956, 30989912]

約数ペア:

[(1, 30989912), (2, 15494956), (4, 7747478), (8, 3873739), (17, 1822936), (19, 1631048), (34, 911468), (38, 815524), (67, 462536), (68, 455734), (76, 407762), (134, 231268), (136, 227867), (152, 203881), (179, 173128), (268, 115634), (323, 95944), (358, 86564), (536, 57817), (646, 47972), (716, 43282), (1139, 27208), (1273, 24344), (1292, 23986), (1432, 21641), (2278, 13604), (2546, 12172), (2584, 11993), (3043, 10184), (3401, 9112), (4556, 6802), (5092, 6086)]