9777620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 21494928

約数和(自身を除く): 11717308

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 181, 185, 292, 362, 365, 370, 724, 730, 740, 905, 1460, 1810, 2701, 3620, 5402, 6697, 10804, 13213, 13394, 13505, 26426, 26788, 27010, 33485, 52852, 54020, 66065, 66970, 132130, 133940, 264260, 488881, 977762, 1955524, 2444405, 4888810, 9777620]

約数ペア:

[(1, 9777620), (2, 4888810), (4, 2444405), (5, 1955524), (10, 977762), (20, 488881), (37, 264260), (73, 133940), (74, 132130), (146, 66970), (148, 66065), (181, 54020), (185, 52852), (292, 33485), (362, 27010), (365, 26788), (370, 26426), (724, 13505), (730, 13394), (740, 13213), (905, 10804), (1460, 6697), (1810, 5402), (2701, 3620)]