201644980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{138113}}^1$

素因数の和:138195

約数の個数: 24

約数和(自身を含む): 429258312

約数和(自身を除く): 227613332

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 138113, 276226, 552452, 690565, 1381130, 2762260, 10082249, 20164498, 40328996, 50411245, 100822490, 201644980]

約数ペア:

[(1, 201644980), (2, 100822490), (4, 50411245), (5, 40328996), (10, 20164498), (20, 10082249), (73, 2762260), (146, 1381130), (292, 690565), (365, 552452), (730, 276226), (1460, 138113)]