86636900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17681}}^1$

素因数の和:17709

約数の個数: 54

約数和(自身を含む): 218708658

約数和(自身を除く): 132071758

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 17681, 35362, 70724, 88405, 123767, 176810, 247534, 353620, 442025, 495068, 618835, 866369, 884050, 1237670, 1732738, 1768100, 2475340, 3094175, 3465476, 4331845, 6188350, 8663690, 12376700, 17327380, 21659225, 43318450, 86636900]

約数ペア:

[(1, 86636900), (2, 43318450), (4, 21659225), (5, 17327380), (7, 12376700), (10, 8663690), (14, 6188350), (20, 4331845), (25, 3465476), (28, 3094175), (35, 2475340), (49, 1768100), (50, 1732738), (70, 1237670), (98, 884050), (100, 866369), (140, 618835), (175, 495068), (196, 442025), (245, 353620), (350, 247534), (490, 176810), (700, 123767), (980, 88405), (1225, 70724), (2450, 35362), (4900, 17681)]