31026380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20147}}^1$

素因数の和:20174

約数の個数: 48

約数和(自身を含む): 81236736

約数和(自身を除く): 50210356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20147, 40294, 80588, 100735, 141029, 201470, 221617, 282058, 402940, 443234, 564116, 705145, 886468, 1108085, 1410290, 1551319, 2216170, 2820580, 3102638, 4432340, 6205276, 7756595, 15513190, 31026380]

約数ペア:

[(1, 31026380), (2, 15513190), (4, 7756595), (5, 6205276), (7, 4432340), (10, 3102638), (11, 2820580), (14, 2216170), (20, 1551319), (22, 1410290), (28, 1108085), (35, 886468), (44, 705145), (55, 564116), (70, 443234), (77, 402940), (110, 282058), (140, 221617), (154, 201470), (220, 141029), (308, 100735), (385, 80588), (770, 40294), (1540, 20147)]