28141960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9137}}^1$

素因数の和:9166

約数の個数: 64

約数和(自身を含む): 78952320

約数和(自身を除く): 50810360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9137, 18274, 36548, 45685, 63959, 73096, 91370, 100507, 127918, 182740, 201014, 255836, 319795, 365480, 402028, 502535, 511672, 639590, 703549, 804056, 1005070, 1279180, 1407098, 2010140, 2558360, 2814196, 3517745, 4020280, 5628392, 7035490, 14070980, 28141960]

約数ペア:

[(1, 28141960), (2, 14070980), (4, 7035490), (5, 5628392), (7, 4020280), (8, 3517745), (10, 2814196), (11, 2558360), (14, 2010140), (20, 1407098), (22, 1279180), (28, 1005070), (35, 804056), (40, 703549), (44, 639590), (55, 511672), (56, 502535), (70, 402028), (77, 365480), (88, 319795), (110, 255836), (140, 201014), (154, 182740), (220, 127918), (280, 100507), (308, 91370), (385, 73096), (440, 63959), (616, 45685), (770, 36548), (1540, 18274), (3080, 9137)]