1295755780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{24439}}^1$

素因数の和:24700

約数の個数: 48

約数和(自身を含む): 2980897920

約数和(自身を除く): 1685142140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 241, 482, 964, 1205, 2410, 2651, 4820, 5302, 10604, 13255, 24439, 26510, 48878, 53020, 97756, 122195, 244390, 268829, 488780, 537658, 1075316, 1344145, 2688290, 5376580, 5889799, 11779598, 23559196, 29448995, 58897990, 64787789, 117795980, 129575578, 259151156, 323938945, 647877890, 1295755780]

約数ペア:

[(1, 1295755780), (2, 647877890), (4, 323938945), (5, 259151156), (10, 129575578), (11, 117795980), (20, 64787789), (22, 58897990), (44, 29448995), (55, 23559196), (110, 11779598), (220, 5889799), (241, 5376580), (482, 2688290), (964, 1344145), (1205, 1075316), (2410, 537658), (2651, 488780), (4820, 268829), (5302, 244390), (10604, 122195), (13255, 97756), (24439, 53020), (26510, 48878)]