68369308

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^3\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 149960160

約数和(自身を除く): 81590852

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 71, 98, 119, 142, 196, 238, 284, 289, 476, 497, 578, 833, 994, 1156, 1207, 1666, 1988, 2023, 2414, 3332, 3479, 4046, 4828, 4913, 6958, 8092, 8449, 9826, 13916, 14161, 16898, 19652, 20519, 28322, 33796, 34391, 41038, 56644, 59143, 68782, 82076, 118286, 137564, 143633, 236572, 240737, 287266, 348823, 481474, 574532, 697646, 962948, 1005431, 1395292, 2010862, 2441761, 4021724, 4883522, 9767044, 17092327, 34184654, 68369308]

約数ペア:

[(1, 68369308), (2, 34184654), (4, 17092327), (7, 9767044), (14, 4883522), (17, 4021724), (28, 2441761), (34, 2010862), (49, 1395292), (68, 1005431), (71, 962948), (98, 697646), (119, 574532), (142, 481474), (196, 348823), (238, 287266), (284, 240737), (289, 236572), (476, 143633), (497, 137564), (578, 118286), (833, 82076), (994, 68782), (1156, 59143), (1207, 56644), (1666, 41038), (1988, 34391), (2023, 33796), (2414, 28322), (3332, 20519), (3479, 19652), (4046, 16898), (4828, 14161), (4913, 13916), (6958, 9826), (8092, 8449)]