131406940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55213}}^1$

素因数の和:55246

約数の個数: 48

約数和(自身を含む): 333934272

約数和(自身を除く): 202527332

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 55213, 110426, 220852, 276065, 386491, 552130, 772982, 938621, 1104260, 1545964, 1877242, 1932455, 3754484, 3864910, 4693105, 6570347, 7729820, 9386210, 13140694, 18772420, 26281388, 32851735, 65703470, 131406940]

約数ペア:

[(1, 131406940), (2, 65703470), (4, 32851735), (5, 26281388), (7, 18772420), (10, 13140694), (14, 9386210), (17, 7729820), (20, 6570347), (28, 4693105), (34, 3864910), (35, 3754484), (68, 1932455), (70, 1877242), (85, 1545964), (119, 1104260), (140, 938621), (170, 772982), (238, 552130), (340, 386491), (476, 276065), (595, 220852), (1190, 110426), (2380, 55213)]