1223420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 2878848

約数和(自身を除く): 1655428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 83, 110, 134, 166, 220, 268, 332, 335, 415, 670, 737, 830, 913, 1340, 1474, 1660, 1826, 2948, 3652, 3685, 4565, 5561, 7370, 9130, 11122, 14740, 18260, 22244, 27805, 55610, 61171, 111220, 122342, 244684, 305855, 611710, 1223420]

約数ペア:

[(1, 1223420), (2, 611710), (4, 305855), (5, 244684), (10, 122342), (11, 111220), (20, 61171), (22, 55610), (44, 27805), (55, 22244), (67, 18260), (83, 14740), (110, 11122), (134, 9130), (166, 7370), (220, 5561), (268, 4565), (332, 3685), (335, 3652), (415, 2948), (670, 1826), (737, 1660), (830, 1474), (913, 1340)]