177722740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1543}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 403095168

約数和(自身を除く): 225372428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 886, 1543, 1772, 2215, 3086, 4430, 5759, 6172, 7715, 8860, 11518, 15430, 20059, 23036, 28795, 30860, 40118, 57590, 80236, 100295, 115180, 200590, 401180, 683549, 1367098, 2734196, 3417745, 6835490, 8886137, 13670980, 17772274, 35544548, 44430685, 88861370, 177722740]

約数ペア:

[(1, 177722740), (2, 88861370), (4, 44430685), (5, 35544548), (10, 17772274), (13, 13670980), (20, 8886137), (26, 6835490), (52, 3417745), (65, 2734196), (130, 1367098), (260, 683549), (443, 401180), (886, 200590), (1543, 115180), (1772, 100295), (2215, 80236), (3086, 57590), (4430, 40118), (5759, 30860), (6172, 28795), (7715, 23036), (8860, 20059), (11518, 15430)]