151922020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 324434880

約数和(自身を除く): 172512860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 227, 307, 436, 454, 545, 614, 908, 1090, 1135, 1228, 1535, 2180, 2270, 3070, 4540, 6140, 24743, 33463, 49486, 66926, 69689, 98972, 123715, 133852, 139378, 167315, 247430, 278756, 334630, 348445, 494860, 669260, 696890, 1393780, 7596101, 15192202, 30384404, 37980505, 75961010, 151922020]

約数ペア:

[(1, 151922020), (2, 75961010), (4, 37980505), (5, 30384404), (10, 15192202), (20, 7596101), (109, 1393780), (218, 696890), (227, 669260), (307, 494860), (436, 348445), (454, 334630), (545, 278756), (614, 247430), (908, 167315), (1090, 139378), (1135, 133852), (1228, 123715), (1535, 98972), (2180, 69689), (2270, 66926), (3070, 49486), (4540, 33463), (6140, 24743)]