45189220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 100900800

約数和(自身を除く): 55711580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 1091, 2071, 2180, 2182, 4142, 4364, 5455, 8284, 10355, 10910, 20710, 20729, 21820, 41420, 41458, 82916, 103645, 118919, 207290, 237838, 414580, 475676, 594595, 1189190, 2259461, 2378380, 4518922, 9037844, 11297305, 22594610, 45189220]

約数ペア:

[(1, 45189220), (2, 22594610), (4, 11297305), (5, 9037844), (10, 4518922), (19, 2378380), (20, 2259461), (38, 1189190), (76, 594595), (95, 475676), (109, 414580), (190, 237838), (218, 207290), (380, 118919), (436, 103645), (545, 82916), (1090, 41458), (1091, 41420), (2071, 21820), (2180, 20729), (2182, 20710), (4142, 10910), (4364, 10355), (5455, 8284)]