77914540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4483}}^1$

素因数の和:4582

約数の個数: 48

約数和(自身を含む): 180794880

約数和(自身を除く): 102880340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 4483, 8690, 8966, 17380, 17932, 22415, 44830, 49313, 89660, 98626, 197252, 246565, 354157, 493130, 708314, 986260, 1416628, 1770785, 3541570, 3895727, 7083140, 7791454, 15582908, 19478635, 38957270, 77914540]

約数ペア:

[(1, 77914540), (2, 38957270), (4, 19478635), (5, 15582908), (10, 7791454), (11, 7083140), (20, 3895727), (22, 3541570), (44, 1770785), (55, 1416628), (79, 986260), (110, 708314), (158, 493130), (220, 354157), (316, 246565), (395, 197252), (790, 98626), (869, 89660), (1580, 49313), (1738, 44830), (3476, 22415), (4345, 17932), (4483, 17380), (8690, 8966)]