28402704

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 160

約数和(自身を含む): 91660800

約数和(自身を除く): 63258096

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 43, 44, 48, 54, 66, 72, 86, 88, 99, 108, 129, 132, 139, 144, 172, 176, 198, 216, 258, 264, 278, 297, 344, 387, 396, 417, 432, 473, 516, 528, 556, 594, 688, 774, 792, 834, 946, 1032, 1112, 1161, 1188, 1251, 1419, 1529, 1548, 1584, 1668, 1892, 2064, 2224, 2322, 2376, 2502, 2838, 3058, 3096, 3336, 3753, 3784, 4257, 4587, 4644, 4752, 5004, 5676, 5977, 6116, 6192, 6672, 7506, 7568, 8514, 9174, 9288, 10008, 11352, 11954, 12232, 12771, 13761, 15012, 17028, 17931, 18348, 18576, 20016, 22704, 23908, 24464, 25542, 27522, 30024, 34056, 35862, 36696, 41283, 47816, 51084, 53793, 55044, 60048, 65747, 68112, 71724, 73392, 82566, 95632, 102168, 107586, 110088, 131494, 143448, 161379, 165132, 197241, 204336, 215172, 220176, 262988, 286896, 322758, 330264, 394482, 430344, 525976, 591723, 645516, 660528, 788964, 860688, 1051952, 1183446, 1291032, 1577928, 1775169, 2366892, 2582064, 3155856, 3550338, 4733784, 7100676, 9467568, 14201352, 28402704]

約数ペア:

[(1, 28402704), (2, 14201352), (3, 9467568), (4, 7100676), (6, 4733784), (8, 3550338), (9, 3155856), (11, 2582064), (12, 2366892), (16, 1775169), (18, 1577928), (22, 1291032), (24, 1183446), (27, 1051952), (33, 860688), (36, 788964), (43, 660528), (44, 645516), (48, 591723), (54, 525976), (66, 430344), (72, 394482), (86, 330264), (88, 322758), (99, 286896), (108, 262988), (129, 220176), (132, 215172), (139, 204336), (144, 197241), (172, 165132), (176, 161379), (198, 143448), (216, 131494), (258, 110088), (264, 107586), (278, 102168), (297, 95632), (344, 82566), (387, 73392), (396, 71724), (417, 68112), (432, 65747), (473, 60048), (516, 55044), (528, 53793), (556, 51084), (594, 47816), (688, 41283), (774, 36696), (792, 35862), (834, 34056), (946, 30024), (1032, 27522), (1112, 25542), (1161, 24464), (1188, 23908), (1251, 22704), (1419, 20016), (1529, 18576), (1548, 18348), (1584, 17931), (1668, 17028), (1892, 15012), (2064, 13761), (2224, 12771), (2322, 12232), (2376, 11954), (2502, 11352), (2838, 10008), (3058, 9288), (3096, 9174), (3336, 8514), (3753, 7568), (3784, 7506), (4257, 6672), (4587, 6192), (4644, 6116), (4752, 5977), (5004, 5676)]