897820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 2413152

約数和(自身を除く): 1515332

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 53, 55, 70, 77, 106, 110, 121, 140, 154, 212, 220, 242, 265, 308, 371, 385, 484, 530, 583, 605, 742, 770, 847, 1060, 1166, 1210, 1484, 1540, 1694, 1855, 2332, 2420, 2915, 3388, 3710, 4081, 4235, 5830, 6413, 7420, 8162, 8470, 11660, 12826, 16324, 16940, 20405, 25652, 32065, 40810, 44891, 64130, 81620, 89782, 128260, 179564, 224455, 448910, 897820]

約数ペア:

[(1, 897820), (2, 448910), (4, 224455), (5, 179564), (7, 128260), (10, 89782), (11, 81620), (14, 64130), (20, 44891), (22, 40810), (28, 32065), (35, 25652), (44, 20405), (53, 16940), (55, 16324), (70, 12826), (77, 11660), (106, 8470), (110, 8162), (121, 7420), (140, 6413), (154, 5830), (212, 4235), (220, 4081), (242, 3710), (265, 3388), (308, 2915), (371, 2420), (385, 2332), (484, 1855), (530, 1694), (583, 1540), (605, 1484), (742, 1210), (770, 1166), (847, 1060)]