655565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{56417}}^1$

素因数の和:56516

約数の個数: 48

約数和(自身を含む): 1592341632

約数和(自身を除く): 936776092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 11620, 56417, 112834, 225668, 282085, 394919, 564170, 789838, 1128340, 1579676, 1974595, 3949190, 4682611, 7898380, 9365222, 18730444, 23413055, 32778277, 46826110, 65556554, 93652220, 131113108, 163891385, 327782770, 655565540]

約数ペア:

[(1, 655565540), (2, 327782770), (4, 163891385), (5, 131113108), (7, 93652220), (10, 65556554), (14, 46826110), (20, 32778277), (28, 23413055), (35, 18730444), (70, 9365222), (83, 7898380), (140, 4682611), (166, 3949190), (332, 1974595), (415, 1579676), (581, 1128340), (830, 789838), (1162, 564170), (1660, 394919), (2324, 282085), (2905, 225668), (5810, 112834), (11620, 56417)]