126921740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 295611120

約数和(自身を除く): 168689380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 179, 220, 242, 293, 358, 484, 586, 605, 716, 895, 1172, 1210, 1465, 1790, 1969, 2420, 2930, 3223, 3580, 3938, 5860, 6446, 7876, 9845, 12892, 16115, 19690, 21659, 32230, 35453, 39380, 43318, 52447, 64460, 70906, 86636, 104894, 108295, 141812, 177265, 209788, 216590, 262235, 354530, 433180, 524470, 576917, 709060, 1048940, 1153834, 2307668, 2884585, 5769170, 6346087, 11538340, 12692174, 25384348, 31730435, 63460870, 126921740]

約数ペア:

[(1, 126921740), (2, 63460870), (4, 31730435), (5, 25384348), (10, 12692174), (11, 11538340), (20, 6346087), (22, 5769170), (44, 2884585), (55, 2307668), (110, 1153834), (121, 1048940), (179, 709060), (220, 576917), (242, 524470), (293, 433180), (358, 354530), (484, 262235), (586, 216590), (605, 209788), (716, 177265), (895, 141812), (1172, 108295), (1210, 104894), (1465, 86636), (1790, 70906), (1969, 64460), (2420, 52447), (2930, 43318), (3223, 39380), (3580, 35453), (3938, 32230), (5860, 21659), (6446, 19690), (7876, 16115), (9845, 12892)]