870778870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2809

約数の個数: 64

約数和(自身を含む): 1757064960

約数和(自身を除く): 886286090

約数列:

[1, 2, 5, 10, 13, 26, 47, 53, 65, 94, 106, 130, 235, 265, 470, 530, 611, 689, 1222, 1378, 2491, 2689, 3055, 3445, 4982, 5378, 6110, 6890, 12455, 13445, 24910, 26890, 32383, 34957, 64766, 69914, 126383, 142517, 161915, 174785, 252766, 285034, 323830, 349570, 631915, 712585, 1263830, 1425170, 1642979, 1852721, 3285958, 3705442, 6698299, 8214895, 9263605, 13396598, 16429790, 18527210, 33491495, 66982990, 87077887, 174155774, 435389435, 870778870]

約数ペア:

[(1, 870778870), (2, 435389435), (5, 174155774), (10, 87077887), (13, 66982990), (26, 33491495), (47, 18527210), (53, 16429790), (65, 13396598), (94, 9263605), (106, 8214895), (130, 6698299), (235, 3705442), (265, 3285958), (470, 1852721), (530, 1642979), (611, 1425170), (689, 1263830), (1222, 712585), (1378, 631915), (2491, 349570), (2689, 323830), (3055, 285034), (3445, 252766), (4982, 174785), (5378, 161915), (6110, 142517), (6890, 126383), (12455, 69914), (13445, 64766), (24910, 34957), (26890, 32383)]