9506980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 23700600

約数和(自身を除く): 14193620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 109, 140, 178, 196, 218, 245, 356, 436, 445, 490, 545, 623, 763, 890, 980, 1090, 1246, 1526, 1780, 2180, 2492, 3052, 3115, 3815, 4361, 5341, 6230, 7630, 8722, 9701, 10682, 12460, 15260, 17444, 19402, 21364, 21805, 26705, 38804, 43610, 48505, 53410, 67907, 87220, 97010, 106820, 135814, 194020, 271628, 339535, 475349, 679070, 950698, 1358140, 1901396, 2376745, 4753490, 9506980]

約数ペア:

[(1, 9506980), (2, 4753490), (4, 2376745), (5, 1901396), (7, 1358140), (10, 950698), (14, 679070), (20, 475349), (28, 339535), (35, 271628), (49, 194020), (70, 135814), (89, 106820), (98, 97010), (109, 87220), (140, 67907), (178, 53410), (196, 48505), (218, 43610), (245, 38804), (356, 26705), (436, 21805), (445, 21364), (490, 19402), (545, 17444), (623, 15260), (763, 12460), (890, 10682), (980, 9701), (1090, 8722), (1246, 7630), (1526, 6230), (1780, 5341), (2180, 4361), (2492, 3815), (3052, 3115)]