131867740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{3221}}^1$

素因数の和:3342

約数の個数: 48

約数和(自身を含む): 292299840

約数和(自身を除く): 160432100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 3221, 4094, 6442, 8188, 10235, 12884, 16105, 20470, 32210, 40940, 64420, 74083, 148166, 286669, 296332, 370415, 573338, 740830, 1146676, 1433345, 1481660, 2866690, 5733380, 6593387, 13186774, 26373548, 32966935, 65933870, 131867740]

約数ペア:

[(1, 131867740), (2, 65933870), (4, 32966935), (5, 26373548), (10, 13186774), (20, 6593387), (23, 5733380), (46, 2866690), (89, 1481660), (92, 1433345), (115, 1146676), (178, 740830), (230, 573338), (356, 370415), (445, 296332), (460, 286669), (890, 148166), (1780, 74083), (2047, 64420), (3221, 40940), (4094, 32210), (6442, 20470), (8188, 16105), (10235, 12884)]