28373290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 28508150

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 131, 179, 242, 262, 358, 605, 655, 895, 1210, 1310, 1441, 1790, 1969, 2882, 3938, 7205, 9845, 14410, 15851, 19690, 21659, 23449, 31702, 43318, 46898, 79255, 108295, 117245, 158510, 216590, 234490, 257939, 515878, 1289695, 2579390, 2837329, 5674658, 14186645, 28373290]

約数ペア:

[(1, 28373290), (2, 14186645), (5, 5674658), (10, 2837329), (11, 2579390), (22, 1289695), (55, 515878), (110, 257939), (121, 234490), (131, 216590), (179, 158510), (242, 117245), (262, 108295), (358, 79255), (605, 46898), (655, 43318), (895, 31702), (1210, 23449), (1310, 21659), (1441, 19690), (1790, 15851), (1969, 14410), (2882, 9845), (3938, 7205)]