31101290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 67184640

約数和(自身を除く): 36083350

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 437, 506, 647, 874, 1045, 1265, 1294, 2090, 2185, 2530, 3235, 4370, 4807, 6470, 7117, 9614, 12293, 14234, 14881, 24035, 24586, 29762, 35585, 48070, 61465, 71170, 74405, 122930, 135223, 148810, 163691, 270446, 282739, 327382, 565478, 676115, 818455, 1352230, 1413695, 1636910, 2827390, 3110129, 6220258, 15550645, 31101290]

約数ペア:

[(1, 31101290), (2, 15550645), (5, 6220258), (10, 3110129), (11, 2827390), (19, 1636910), (22, 1413695), (23, 1352230), (38, 818455), (46, 676115), (55, 565478), (95, 327382), (110, 282739), (115, 270446), (190, 163691), (209, 148810), (230, 135223), (253, 122930), (418, 74405), (437, 71170), (506, 61465), (647, 48070), (874, 35585), (1045, 29762), (1265, 24586), (1294, 24035), (2090, 14881), (2185, 14234), (2530, 12293), (3235, 9614), (4370, 7117), (4807, 6470)]