278156732

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 602234640

約数和(自身を除く): 324077908

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 113, 133, 196, 226, 266, 452, 532, 661, 791, 931, 1322, 1582, 1862, 2147, 2644, 3164, 3724, 4294, 4627, 5537, 8588, 9254, 11074, 12559, 15029, 18508, 22148, 25118, 30058, 32389, 50236, 60116, 64778, 74693, 87913, 105203, 129556, 149386, 175826, 210406, 298772, 351652, 420812, 522851, 615391, 1045702, 1230782, 1419167, 2091404, 2461564, 2838334, 3659957, 5676668, 7319914, 9934169, 14639828, 19868338, 39736676, 69539183, 139078366, 278156732]

約数ペア:

[(1, 278156732), (2, 139078366), (4, 69539183), (7, 39736676), (14, 19868338), (19, 14639828), (28, 9934169), (38, 7319914), (49, 5676668), (76, 3659957), (98, 2838334), (113, 2461564), (133, 2091404), (196, 1419167), (226, 1230782), (266, 1045702), (452, 615391), (532, 522851), (661, 420812), (791, 351652), (931, 298772), (1322, 210406), (1582, 175826), (1862, 149386), (2147, 129556), (2644, 105203), (3164, 87913), (3724, 74693), (4294, 64778), (4627, 60116), (5537, 50236), (8588, 32389), (9254, 30058), (11074, 25118), (12559, 22148), (15029, 18508)]