154996940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{25747}}^1$

素因数の和:25806

約数の個数: 48

約数和(自身を含む): 380658432

約数和(自身を除く): 225661492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 25747, 51494, 102988, 128735, 180229, 257470, 360458, 514940, 720916, 901145, 1107121, 1802290, 2214242, 3604580, 4428484, 5535605, 7749847, 11071210, 15499694, 22142420, 30999388, 38749235, 77498470, 154996940]

約数ペア:

[(1, 154996940), (2, 77498470), (4, 38749235), (5, 30999388), (7, 22142420), (10, 15499694), (14, 11071210), (20, 7749847), (28, 5535605), (35, 4428484), (43, 3604580), (70, 2214242), (86, 1802290), (140, 1107121), (172, 901145), (215, 720916), (301, 514940), (430, 360458), (602, 257470), (860, 180229), (1204, 128735), (1505, 102988), (3010, 51494), (6020, 25747)]