7281890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 16761600

約数和(自身を除く): 9479710

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 193, 245, 343, 385, 386, 490, 539, 686, 770, 965, 1078, 1351, 1715, 1930, 2123, 2695, 2702, 3430, 3773, 4246, 5390, 6755, 7546, 9457, 10615, 13510, 14861, 18865, 18914, 21230, 29722, 37730, 47285, 66199, 74305, 94570, 104027, 132398, 148610, 208054, 330995, 520135, 661990, 728189, 1040270, 1456378, 3640945, 7281890]

約数ペア:

[(1, 7281890), (2, 3640945), (5, 1456378), (7, 1040270), (10, 728189), (11, 661990), (14, 520135), (22, 330995), (35, 208054), (49, 148610), (55, 132398), (70, 104027), (77, 94570), (98, 74305), (110, 66199), (154, 47285), (193, 37730), (245, 29722), (343, 21230), (385, 18914), (386, 18865), (490, 14861), (539, 13510), (686, 10615), (770, 9457), (965, 7546), (1078, 6755), (1351, 5390), (1715, 4246), (1930, 3773), (2123, 3430), (2695, 2702)]