210331330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 438203520

約数和(自身を除く): 227872190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 157, 190, 209, 314, 418, 641, 785, 1045, 1282, 1570, 1727, 2090, 2983, 3205, 3454, 5966, 6410, 7051, 8635, 12179, 14102, 14915, 17270, 24358, 29830, 32813, 35255, 60895, 65626, 70510, 100637, 121790, 133969, 164065, 201274, 267938, 328130, 503185, 669845, 1006370, 1107007, 1339690, 1912103, 2214014, 3824206, 5535035, 9560515, 11070070, 19121030, 21033133, 42066266, 105165665, 210331330]

約数ペア:

[(1, 210331330), (2, 105165665), (5, 42066266), (10, 21033133), (11, 19121030), (19, 11070070), (22, 9560515), (38, 5535035), (55, 3824206), (95, 2214014), (110, 1912103), (157, 1339690), (190, 1107007), (209, 1006370), (314, 669845), (418, 503185), (641, 328130), (785, 267938), (1045, 201274), (1282, 164065), (1570, 133969), (1727, 121790), (2090, 100637), (2983, 70510), (3205, 65626), (3454, 60895), (5966, 35255), (6410, 32813), (7051, 29830), (8635, 24358), (12179, 17270), (14102, 14915)]