280595364

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{7823}}^1$

素因数の和:7905

約数の個数: 72

約数和(自身を含む): 774200448

約数和(自身を除く): 493605084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 588, 732, 854, 1281, 1708, 2562, 2989, 5124, 5978, 7823, 8967, 11956, 15646, 17934, 23469, 31292, 35868, 46938, 54761, 93876, 109522, 164283, 219044, 328566, 383327, 477203, 657132, 766654, 954406, 1149981, 1431609, 1533308, 1908812, 2299962, 2863218, 3340421, 4599924, 5726436, 6680842, 10021263, 13361684, 20042526, 23382947, 40085052, 46765894, 70148841, 93531788, 140297682, 280595364]

約数ペア:

[(1, 280595364), (2, 140297682), (3, 93531788), (4, 70148841), (6, 46765894), (7, 40085052), (12, 23382947), (14, 20042526), (21, 13361684), (28, 10021263), (42, 6680842), (49, 5726436), (61, 4599924), (84, 3340421), (98, 2863218), (122, 2299962), (147, 1908812), (183, 1533308), (196, 1431609), (244, 1149981), (294, 954406), (366, 766654), (427, 657132), (588, 477203), (732, 383327), (854, 328566), (1281, 219044), (1708, 164283), (2562, 109522), (2989, 93876), (5124, 54761), (5978, 46938), (7823, 35868), (8967, 31292), (11956, 23469), (15646, 17934)]