1968340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2749100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 389, 460, 506, 778, 1012, 1265, 1556, 1945, 2530, 3890, 4279, 5060, 7780, 8558, 8947, 17116, 17894, 21395, 35788, 42790, 44735, 85580, 89470, 98417, 178940, 196834, 393668, 492085, 984170, 1968340]

約数ペア:

[(1, 1968340), (2, 984170), (4, 492085), (5, 393668), (10, 196834), (11, 178940), (20, 98417), (22, 89470), (23, 85580), (44, 44735), (46, 42790), (55, 35788), (92, 21395), (110, 17894), (115, 17116), (220, 8947), (230, 8558), (253, 7780), (389, 5060), (460, 4279), (506, 3890), (778, 2530), (1012, 1945), (1265, 1556)]