313048340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{23327}}^1$

素因数の和:23408

約数の個数: 48

約数和(自身を含む): 728953344

約数和(自身を除く): 415905004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 23327, 46654, 93308, 116635, 233270, 256597, 466540, 513194, 1026388, 1282985, 1422947, 2565970, 2845894, 5131940, 5691788, 7114735, 14229470, 15652417, 28458940, 31304834, 62609668, 78262085, 156524170, 313048340]

約数ペア:

[(1, 313048340), (2, 156524170), (4, 78262085), (5, 62609668), (10, 31304834), (11, 28458940), (20, 15652417), (22, 14229470), (44, 7114735), (55, 5691788), (61, 5131940), (110, 2845894), (122, 2565970), (220, 1422947), (244, 1282985), (305, 1026388), (610, 513194), (671, 466540), (1220, 256597), (1342, 233270), (2684, 116635), (3355, 93308), (6710, 46654), (13420, 23327)]