28215220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{463}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 65011968

約数和(自身を除く): 36796748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 277, 463, 554, 926, 1108, 1385, 1852, 2315, 2770, 3047, 4630, 5093, 5540, 6094, 9260, 10186, 12188, 15235, 20372, 25465, 30470, 50930, 60940, 101860, 128251, 256502, 513004, 641255, 1282510, 1410761, 2565020, 2821522, 5643044, 7053805, 14107610, 28215220]

約数ペア:

[(1, 28215220), (2, 14107610), (4, 7053805), (5, 5643044), (10, 2821522), (11, 2565020), (20, 1410761), (22, 1282510), (44, 641255), (55, 513004), (110, 256502), (220, 128251), (277, 101860), (463, 60940), (554, 50930), (926, 30470), (1108, 25465), (1385, 20372), (1852, 15235), (2315, 12188), (2770, 10186), (3047, 9260), (4630, 6094), (5093, 5540)]