16974020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 24007228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 461, 526, 922, 1052, 1315, 1841, 1844, 2305, 2630, 3227, 3682, 4610, 5260, 6454, 7364, 9205, 9220, 12908, 16135, 18410, 32270, 36820, 64540, 121243, 242486, 484972, 606215, 848701, 1212430, 1697402, 2424860, 3394804, 4243505, 8487010, 16974020]

約数ペア:

[(1, 16974020), (2, 8487010), (4, 4243505), (5, 3394804), (7, 2424860), (10, 1697402), (14, 1212430), (20, 848701), (28, 606215), (35, 484972), (70, 242486), (140, 121243), (263, 64540), (461, 36820), (526, 32270), (922, 18410), (1052, 16135), (1315, 12908), (1841, 9220), (1844, 9205), (2305, 7364), (2630, 6454), (3227, 5260), (3682, 4610)]