220141372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^2$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 465978240

約数和(自身を除く): 245836868

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 107, 209, 214, 253, 418, 428, 437, 506, 836, 874, 1012, 1177, 1748, 2033, 2354, 2461, 4066, 4708, 4807, 4922, 8132, 9614, 9844, 11449, 19228, 22363, 22898, 27071, 44726, 45796, 46759, 54142, 89452, 93518, 108284, 125939, 187036, 217531, 251878, 263327, 435062, 503756, 514349, 526654, 870124, 1028698, 1053308, 2057396, 2392841, 2896597, 4785682, 5003213, 5793194, 9571364, 10006426, 11586388, 20012852, 55035343, 110070686, 220141372]

約数ペア:

[(1, 220141372), (2, 110070686), (4, 55035343), (11, 20012852), (19, 11586388), (22, 10006426), (23, 9571364), (38, 5793194), (44, 5003213), (46, 4785682), (76, 2896597), (92, 2392841), (107, 2057396), (209, 1053308), (214, 1028698), (253, 870124), (418, 526654), (428, 514349), (437, 503756), (506, 435062), (836, 263327), (874, 251878), (1012, 217531), (1177, 187036), (1748, 125939), (2033, 108284), (2354, 93518), (2461, 89452), (4066, 54142), (4708, 46759), (4807, 45796), (4922, 44726), (8132, 27071), (9614, 22898), (9844, 22363), (11449, 19228)]