17949779720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{34703}}^1$

素因数の和:34974

約数の個数: 64

約数和(自身を含む): 41203365120

約数和(自身を除く): 23253585400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 193, 268, 335, 386, 536, 670, 772, 965, 1340, 1544, 1930, 2680, 3860, 7720, 12931, 25862, 34703, 51724, 64655, 69406, 103448, 129310, 138812, 173515, 258620, 277624, 347030, 517240, 694060, 1388120, 2325101, 4650202, 6697679, 9300404, 11625505, 13395358, 18600808, 23251010, 26790716, 33488395, 46502020, 53581432, 66976790, 93004040, 133953580, 267907160, 448744493, 897488986, 1794977972, 2243722465, 3589955944, 4487444930, 8974889860, 17949779720]

約数ペア:

[(1, 17949779720), (2, 8974889860), (4, 4487444930), (5, 3589955944), (8, 2243722465), (10, 1794977972), (20, 897488986), (40, 448744493), (67, 267907160), (134, 133953580), (193, 93004040), (268, 66976790), (335, 53581432), (386, 46502020), (536, 33488395), (670, 26790716), (772, 23251010), (965, 18600808), (1340, 13395358), (1544, 11625505), (1930, 9300404), (2680, 6697679), (3860, 4650202), (7720, 2325101), (12931, 1388120), (25862, 694060), (34703, 517240), (51724, 347030), (64655, 277624), (69406, 258620), (103448, 173515), (129310, 138812)]