218880790

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 399367584

約数和(自身を除く): 180486794

約数列:

[1, 2, 5, 10, 137, 197, 274, 394, 685, 811, 985, 1370, 1622, 1970, 4055, 8110, 26989, 53978, 111107, 134945, 159767, 222214, 269890, 319534, 555535, 798835, 1111070, 1597670, 21888079, 43776158, 109440395, 218880790]

約数ペア:

[(1, 218880790), (2, 109440395), (5, 43776158), (10, 21888079), (137, 1597670), (197, 1111070), (274, 798835), (394, 555535), (685, 319534), (811, 269890), (985, 222214), (1370, 159767), (1622, 134945), (1970, 111107), (4055, 53978), (8110, 26989)]