71398360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162269}}^1$

素因数の和:162291

約数の個数: 32

約数和(自身を含む): 175251600

約数和(自身を除く): 103853240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162269, 324538, 649076, 811345, 1298152, 1622690, 1784959, 3245380, 3569918, 6490760, 7139836, 8924795, 14279672, 17849590, 35699180, 71398360]

約数ペア:

[(1, 71398360), (2, 35699180), (4, 17849590), (5, 14279672), (8, 8924795), (10, 7139836), (11, 6490760), (20, 3569918), (22, 3245380), (40, 1784959), (44, 1622690), (55, 1298152), (88, 811345), (110, 649076), (220, 324538), (440, 162269)]