29121498020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{243613}}^1$

素因数の和:243804

約数の個数: 48

約数和(自身を含む): 63027814080

約数和(自身を除く): 33906316060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 695, 860, 1390, 2780, 5977, 11954, 23908, 29885, 59770, 119540, 243613, 487226, 974452, 1218065, 2436130, 4872260, 10475359, 20950718, 33862207, 41901436, 52376795, 67724414, 104753590, 135448828, 169311035, 209507180, 338622070, 677244140, 1456074901, 2912149802, 5824299604, 7280374505, 14560749010, 29121498020]

約数ペア:

[(1, 29121498020), (2, 14560749010), (4, 7280374505), (5, 5824299604), (10, 2912149802), (20, 1456074901), (43, 677244140), (86, 338622070), (139, 209507180), (172, 169311035), (215, 135448828), (278, 104753590), (430, 67724414), (556, 52376795), (695, 41901436), (860, 33862207), (1390, 20950718), (2780, 10475359), (5977, 4872260), (11954, 2436130), (23908, 1218065), (29885, 974452), (59770, 487226), (119540, 243613)]