91890040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2153}}^1$

素因数の和:2272

約数の個数: 64

約数和(自身を含む): 227979360

約数和(自身を除く): 136089320

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, 2153, 3880, 4268, 4306, 5335, 8536, 8612, 10670, 10765, 17224, 21340, 21530, 23683, 42680, 43060, 47366, 86120, 94732, 118415, 189464, 208841, 236830, 417682, 473660, 835364, 947320, 1044205, 1670728, 2088410, 2297251, 4176820, 4594502, 8353640, 9189004, 11486255, 18378008, 22972510, 45945020, 91890040]

約数ペア:

[(1, 91890040), (2, 45945020), (4, 22972510), (5, 18378008), (8, 11486255), (10, 9189004), (11, 8353640), (20, 4594502), (22, 4176820), (40, 2297251), (44, 2088410), (55, 1670728), (88, 1044205), (97, 947320), (110, 835364), (194, 473660), (220, 417682), (388, 236830), (440, 208841), (485, 189464), (776, 118415), (970, 94732), (1067, 86120), (1940, 47366), (2134, 43060), (2153, 42680), (3880, 23683), (4268, 21530), (4306, 21340), (5335, 17224), (8536, 10765), (8612, 10670)]