340057908

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 876972096

約数和(自身を除く): 536914188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 233, 284, 426, 466, 571, 639, 699, 852, 932, 1142, 1278, 1398, 1713, 2097, 2284, 2556, 2796, 3426, 4194, 5139, 6852, 8388, 10278, 16543, 20556, 33086, 40541, 49629, 66172, 81082, 99258, 121623, 133043, 148887, 162164, 198516, 243246, 266086, 297774, 364869, 399129, 486492, 532172, 595548, 729738, 798258, 1197387, 1459476, 1596516, 2394774, 4789548, 9446053, 18892106, 28338159, 37784212, 56676318, 85014477, 113352636, 170028954, 340057908]

約数ペア:

[(1, 340057908), (2, 170028954), (3, 113352636), (4, 85014477), (6, 56676318), (9, 37784212), (12, 28338159), (18, 18892106), (36, 9446053), (71, 4789548), (142, 2394774), (213, 1596516), (233, 1459476), (284, 1197387), (426, 798258), (466, 729738), (571, 595548), (639, 532172), (699, 486492), (852, 399129), (932, 364869), (1142, 297774), (1278, 266086), (1398, 243246), (1713, 198516), (2097, 162164), (2284, 148887), (2556, 133043), (2796, 121623), (3426, 99258), (4194, 81082), (5139, 66172), (6852, 49629), (8388, 40541), (10278, 33086), (16543, 20556)]