211722810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10243}}^1$

素因数の和:10319

約数の個数: 64

約数和(自身を含む): 557601408

約数和(自身を除く): 345878598

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1378, 1590, 2067, 3445, 4134, 6890, 10243, 10335, 20486, 20670, 30729, 51215, 61458, 102430, 133159, 153645, 266318, 307290, 399477, 542879, 665795, 798954, 1085758, 1331590, 1628637, 1997385, 2714395, 3257274, 3994770, 5428790, 7057427, 8143185, 14114854, 16286370, 21172281, 35287135, 42344562, 70574270, 105861405, 211722810]

約数ペア:

[(1, 211722810), (2, 105861405), (3, 70574270), (5, 42344562), (6, 35287135), (10, 21172281), (13, 16286370), (15, 14114854), (26, 8143185), (30, 7057427), (39, 5428790), (53, 3994770), (65, 3257274), (78, 2714395), (106, 1997385), (130, 1628637), (159, 1331590), (195, 1085758), (265, 798954), (318, 665795), (390, 542879), (530, 399477), (689, 307290), (795, 266318), (1378, 153645), (1590, 133159), (2067, 102430), (3445, 61458), (4134, 51215), (6890, 30729), (10243, 20670), (10335, 20486)]