155298440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{352951}}^1$

素因数の和:352973

約数の個数: 32

約数和(自身を含む): 381188160

約数和(自身を除く): 225889720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 352951, 705902, 1411804, 1764755, 2823608, 3529510, 3882461, 7059020, 7764922, 14118040, 15529844, 19412305, 31059688, 38824610, 77649220, 155298440]

約数ペア:

[(1, 155298440), (2, 77649220), (4, 38824610), (5, 31059688), (8, 19412305), (10, 15529844), (11, 14118040), (20, 7764922), (22, 7059020), (40, 3882461), (44, 3529510), (55, 2823608), (88, 1764755), (110, 1411804), (220, 705902), (440, 352951)]