210640612

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 108

約数和(自身を含む): 489501180

約数和(自身を除く): 278860568

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 229, 247, 266, 361, 364, 458, 494, 532, 637, 722, 916, 931, 988, 1274, 1444, 1603, 1729, 1862, 2527, 2548, 2977, 3206, 3458, 3724, 4351, 4693, 5054, 5954, 6412, 6916, 8702, 9386, 10108, 11221, 11908, 12103, 17404, 17689, 18772, 20839, 22442, 24206, 30457, 32851, 35378, 41678, 44884, 48412, 56563, 60914, 65702, 70756, 82669, 83356, 113126, 121828, 131404, 145873, 165338, 213199, 226252, 229957, 291746, 330676, 395941, 426398, 459914, 578683, 583492, 791882, 852796, 919828, 1074697, 1157366, 1583764, 2149394, 2314732, 2771587, 4050781, 4298788, 5543174, 7522879, 8101562, 11086348, 15045758, 16203124, 30091516, 52660153, 105320306, 210640612]

約数ペア:

[(1, 210640612), (2, 105320306), (4, 52660153), (7, 30091516), (13, 16203124), (14, 15045758), (19, 11086348), (26, 8101562), (28, 7522879), (38, 5543174), (49, 4298788), (52, 4050781), (76, 2771587), (91, 2314732), (98, 2149394), (133, 1583764), (182, 1157366), (196, 1074697), (229, 919828), (247, 852796), (266, 791882), (361, 583492), (364, 578683), (458, 459914), (494, 426398), (532, 395941), (637, 330676), (722, 291746), (916, 229957), (931, 226252), (988, 213199), (1274, 165338), (1444, 145873), (1603, 131404), (1729, 121828), (1862, 113126), (2527, 83356), (2548, 82669), (2977, 70756), (3206, 65702), (3458, 60914), (3724, 56563), (4351, 48412), (4693, 44884), (5054, 41678), (5954, 35378), (6412, 32851), (6916, 30457), (8702, 24206), (9386, 22442), (10108, 20839), (11221, 18772), (11908, 17689), (12103, 17404)]