490838940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4967}}^1$

素因数の和:5049

約数の個数: 120

約数和(自身を含む): 1565337312

約数和(自身を除く): 1074498372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 540, 549, 610, 732, 810, 915, 1098, 1220, 1620, 1647, 1830, 2196, 2745, 3294, 3660, 4941, 4967, 5490, 6588, 8235, 9882, 9934, 10980, 14901, 16470, 19764, 19868, 24705, 24835, 29802, 32940, 44703, 49410, 49670, 59604, 74505, 89406, 98820, 99340, 134109, 149010, 178812, 223515, 268218, 298020, 302987, 402327, 447030, 536436, 605974, 670545, 804654, 894060, 908961, 1211948, 1341090, 1514935, 1609308, 1817922, 2011635, 2682180, 2726883, 3029870, 3635844, 4023270, 4544805, 5453766, 6059740, 8046540, 8180649, 9089610, 10907532, 13634415, 16361298, 18179220, 24541947, 27268830, 32722596, 40903245, 49083894, 54537660, 81806490, 98167788, 122709735, 163612980, 245419470, 490838940]

約数ペア:

[(1, 490838940), (2, 245419470), (3, 163612980), (4, 122709735), (5, 98167788), (6, 81806490), (9, 54537660), (10, 49083894), (12, 40903245), (15, 32722596), (18, 27268830), (20, 24541947), (27, 18179220), (30, 16361298), (36, 13634415), (45, 10907532), (54, 9089610), (60, 8180649), (61, 8046540), (81, 6059740), (90, 5453766), (108, 4544805), (122, 4023270), (135, 3635844), (162, 3029870), (180, 2726883), (183, 2682180), (244, 2011635), (270, 1817922), (305, 1609308), (324, 1514935), (366, 1341090), (405, 1211948), (540, 908961), (549, 894060), (610, 804654), (732, 670545), (810, 605974), (915, 536436), (1098, 447030), (1220, 402327), (1620, 302987), (1647, 298020), (1830, 268218), (2196, 223515), (2745, 178812), (3294, 149010), (3660, 134109), (4941, 99340), (4967, 98820), (5490, 89406), (6588, 74505), (8235, 59604), (9882, 49670), (9934, 49410), (10980, 44703), (14901, 32940), (16470, 29802), (19764, 24835), (19868, 24705)]