73128580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 181331136

約数和(自身を除く): 108202556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1051, 1420, 1988, 2102, 2485, 3479, 4204, 4970, 5255, 6958, 7357, 9940, 10510, 13916, 14714, 17395, 21020, 29428, 34790, 36785, 51499, 69580, 73570, 74621, 102998, 147140, 149242, 205996, 257495, 298484, 373105, 514990, 522347, 746210, 1029980, 1044694, 1492420, 2089388, 2611735, 3656429, 5223470, 7312858, 10446940, 14625716, 18282145, 36564290, 73128580]

約数ペア:

[(1, 73128580), (2, 36564290), (4, 18282145), (5, 14625716), (7, 10446940), (10, 7312858), (14, 5223470), (20, 3656429), (28, 2611735), (35, 2089388), (49, 1492420), (70, 1044694), (71, 1029980), (98, 746210), (140, 522347), (142, 514990), (196, 373105), (245, 298484), (284, 257495), (355, 205996), (490, 149242), (497, 147140), (710, 102998), (980, 74621), (994, 73570), (1051, 69580), (1420, 51499), (1988, 36785), (2102, 34790), (2485, 29428), (3479, 21020), (4204, 17395), (4970, 14714), (5255, 13916), (6958, 10510), (7357, 9940)]