205357140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{380291}}^1$

素因数の和:380309

約数の個数: 48

約数和(自身を含む): 638890560

約数和(自身を除く): 433533420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 380291, 760582, 1140873, 1521164, 1901455, 2281746, 3422619, 3802910, 4563492, 5704365, 6845238, 7605820, 10267857, 11408730, 13690476, 17113095, 20535714, 22817460, 34226190, 41071428, 51339285, 68452380, 102678570, 205357140]

約数ペア:

[(1, 205357140), (2, 102678570), (3, 68452380), (4, 51339285), (5, 41071428), (6, 34226190), (9, 22817460), (10, 20535714), (12, 17113095), (15, 13690476), (18, 11408730), (20, 10267857), (27, 7605820), (30, 6845238), (36, 5704365), (45, 4563492), (54, 3802910), (60, 3422619), (90, 2281746), (108, 1901455), (135, 1521164), (180, 1140873), (270, 760582), (540, 380291)]