215877310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{7757}}^1$

素因数の和:7809

約数の個数: 48

約数和(自身を含む): 445743648

約数和(自身を除く): 229866338

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1210, 1265, 2530, 2783, 5566, 7757, 13915, 15514, 27830, 38785, 77570, 85327, 170654, 178411, 356822, 426635, 853270, 892055, 938597, 1784110, 1877194, 1962521, 3925042, 4692985, 9385970, 9812605, 19625210, 21587731, 43175462, 107938655, 215877310]

約数ペア:

[(1, 215877310), (2, 107938655), (5, 43175462), (10, 21587731), (11, 19625210), (22, 9812605), (23, 9385970), (46, 4692985), (55, 3925042), (110, 1962521), (115, 1877194), (121, 1784110), (230, 938597), (242, 892055), (253, 853270), (506, 426635), (605, 356822), (1210, 178411), (1265, 170654), (2530, 85327), (2783, 77570), (5566, 38785), (7757, 27830), (13915, 15514)]