2220942010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{1493}}^1$

素因数の和:1855

約数の個数: 64

約数和(自身を含む): 4646937600

約数和(自身を除く): 2425995590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 269, 395, 538, 553, 790, 1106, 1345, 1493, 1883, 2690, 2765, 2986, 3766, 5530, 7465, 9415, 10451, 14930, 18830, 20902, 21251, 42502, 52255, 104510, 106255, 117947, 148757, 212510, 235894, 297514, 401617, 589735, 743785, 803234, 825629, 1179470, 1487570, 1651258, 2008085, 2811319, 4016170, 4128145, 5622638, 8256290, 14056595, 28113190, 31727743, 63455486, 158638715, 222094201, 317277430, 444188402, 1110471005, 2220942010]

約数ペア:

[(1, 2220942010), (2, 1110471005), (5, 444188402), (7, 317277430), (10, 222094201), (14, 158638715), (35, 63455486), (70, 31727743), (79, 28113190), (158, 14056595), (269, 8256290), (395, 5622638), (538, 4128145), (553, 4016170), (790, 2811319), (1106, 2008085), (1345, 1651258), (1493, 1487570), (1883, 1179470), (2690, 825629), (2765, 803234), (2986, 743785), (3766, 589735), (5530, 401617), (7465, 297514), (9415, 235894), (10451, 212510), (14930, 148757), (18830, 117947), (20902, 106255), (21251, 104510), (42502, 52255)]