1284993880

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^2\times {\mathrm{1447}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 2912782320

約数和(自身を除く): 1627788440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1447, 1490, 2894, 2980, 5788, 5960, 7235, 11576, 14470, 22201, 28940, 44402, 57880, 88804, 111005, 177608, 215603, 222010, 431206, 444020, 862412, 888040, 1078015, 1724824, 2156030, 4312060, 8624120, 32124847, 64249694, 128499388, 160624235, 256998776, 321248470, 642496940, 1284993880]

約数ペア:

[(1, 1284993880), (2, 642496940), (4, 321248470), (5, 256998776), (8, 160624235), (10, 128499388), (20, 64249694), (40, 32124847), (149, 8624120), (298, 4312060), (596, 2156030), (745, 1724824), (1192, 1078015), (1447, 888040), (1490, 862412), (2894, 444020), (2980, 431206), (5788, 222010), (5960, 215603), (7235, 177608), (11576, 111005), (14470, 88804), (22201, 57880), (28940, 44402)]