27280990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 57480192

約数和(自身を除く): 30199202

約数列:

[1, 2, 5, 10, 11, 22, 23, 41, 46, 55, 82, 110, 115, 205, 230, 253, 263, 410, 451, 506, 526, 902, 943, 1265, 1315, 1886, 2255, 2530, 2630, 2893, 4510, 4715, 5786, 6049, 9430, 10373, 10783, 12098, 14465, 20746, 21566, 28930, 30245, 51865, 53915, 60490, 66539, 103730, 107830, 118613, 133078, 237226, 248009, 332695, 496018, 593065, 665390, 1186130, 1240045, 2480090, 2728099, 5456198, 13640495, 27280990]

約数ペア:

[(1, 27280990), (2, 13640495), (5, 5456198), (10, 2728099), (11, 2480090), (22, 1240045), (23, 1186130), (41, 665390), (46, 593065), (55, 496018), (82, 332695), (110, 248009), (115, 237226), (205, 133078), (230, 118613), (253, 107830), (263, 103730), (410, 66539), (451, 60490), (506, 53915), (526, 51865), (902, 30245), (943, 28930), (1265, 21566), (1315, 20746), (1886, 14465), (2255, 12098), (2530, 10783), (2630, 10373), (2893, 9430), (4510, 6049), (4715, 5786)]