121654420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{601}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 265482000

約数和(自身を除く): 143827580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 349, 580, 601, 698, 1202, 1396, 1745, 2404, 3005, 3490, 6010, 6980, 10121, 12020, 17429, 20242, 34858, 40484, 50605, 69716, 87145, 101210, 174290, 202420, 209749, 348580, 419498, 838996, 1048745, 2097490, 4194980, 6082721, 12165442, 24330884, 30413605, 60827210, 121654420]

約数ペア:

[(1, 121654420), (2, 60827210), (4, 30413605), (5, 24330884), (10, 12165442), (20, 6082721), (29, 4194980), (58, 2097490), (116, 1048745), (145, 838996), (290, 419498), (349, 348580), (580, 209749), (601, 202420), (698, 174290), (1202, 101210), (1396, 87145), (1745, 69716), (2404, 50605), (3005, 40484), (3490, 34858), (6010, 20242), (6980, 17429), (10121, 12020)]