219930040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{5153}}^1$

素因数の和:5272

約数の個数: 64

約数和(自身を含む): 545499360

約数和(自身を除く): 325569320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1940, 2134, 3880, 4268, 5153, 5335, 8536, 10306, 10670, 20612, 21340, 25765, 41224, 42680, 51530, 56683, 103060, 113366, 206120, 226732, 283415, 453464, 499841, 566830, 999682, 1133660, 1999364, 2267320, 2499205, 3998728, 4998410, 5498251, 9996820, 10996502, 19993640, 21993004, 27491255, 43986008, 54982510, 109965020, 219930040]

約数ペア:

[(1, 219930040), (2, 109965020), (4, 54982510), (5, 43986008), (8, 27491255), (10, 21993004), (11, 19993640), (20, 10996502), (22, 9996820), (40, 5498251), (44, 4998410), (55, 3998728), (88, 2499205), (97, 2267320), (110, 1999364), (194, 1133660), (220, 999682), (388, 566830), (440, 499841), (485, 453464), (776, 283415), (970, 226732), (1067, 206120), (1940, 113366), (2134, 103060), (3880, 56683), (4268, 51530), (5153, 42680), (5335, 41224), (8536, 25765), (10306, 21340), (10670, 20612)]