442044260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{21191}}^1$

素因数の和:21356

約数の個数: 48

約数和(自身を含む): 1068076800

約数和(自身を除く): 626032540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 21191, 42382, 84764, 105955, 148337, 211910, 296674, 423820, 593348, 741685, 1483370, 2966740, 3157459, 6314918, 12629836, 15787295, 22102213, 31574590, 44204426, 63149180, 88408852, 110511065, 221022130, 442044260]

約数ペア:

[(1, 442044260), (2, 221022130), (4, 110511065), (5, 88408852), (7, 63149180), (10, 44204426), (14, 31574590), (20, 22102213), (28, 15787295), (35, 12629836), (70, 6314918), (140, 3157459), (149, 2966740), (298, 1483370), (596, 741685), (745, 593348), (1043, 423820), (1490, 296674), (2086, 211910), (2980, 148337), (4172, 105955), (5215, 84764), (10430, 42382), (20860, 21191)]