90189770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3971

約数の個数: 48

約数和(自身を含む): 187881120

約数和(自身を除く): 97691350

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 1045, 1210, 2090, 2299, 3923, 4598, 7846, 11495, 19615, 22990, 39230, 43153, 74537, 86306, 149074, 215765, 372685, 431530, 474683, 745370, 819907, 949366, 1639814, 2373415, 4099535, 4746830, 8199070, 9018977, 18037954, 45094885, 90189770]

約数ペア:

[(1, 90189770), (2, 45094885), (5, 18037954), (10, 9018977), (11, 8199070), (19, 4746830), (22, 4099535), (38, 2373415), (55, 1639814), (95, 949366), (110, 819907), (121, 745370), (190, 474683), (209, 431530), (242, 372685), (418, 215765), (605, 149074), (1045, 86306), (1210, 74537), (2090, 43153), (2299, 39230), (3923, 22990), (4598, 19615), (7846, 11495)]