204510540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262193}}^1$

素因数の和:262218

約数の個数: 48

約数和(自身を含む): 616680288

約数和(自身を除く): 412169748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 262193, 524386, 786579, 1048772, 1310965, 1573158, 2621930, 3146316, 3408509, 3932895, 5243860, 6817018, 7865790, 10225527, 13634036, 15731580, 17042545, 20451054, 34085090, 40902108, 51127635, 68170180, 102255270, 204510540]

約数ペア:

[(1, 204510540), (2, 102255270), (3, 68170180), (4, 51127635), (5, 40902108), (6, 34085090), (10, 20451054), (12, 17042545), (13, 15731580), (15, 13634036), (20, 10225527), (26, 7865790), (30, 6817018), (39, 5243860), (52, 3932895), (60, 3408509), (65, 3146316), (78, 2621930), (130, 1573158), (156, 1310965), (195, 1048772), (260, 786579), (390, 524386), (780, 262193)]