84614980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5431}}^1$

素因数の和:5500

約数の個数: 48

約数和(自身を含む): 191640960

約数和(自身を除く): 107025980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 5431, 7790, 10862, 15580, 21724, 27155, 54310, 103189, 108620, 206378, 222671, 412756, 445342, 515945, 890684, 1031890, 1113355, 2063780, 2226710, 4230749, 4453420, 8461498, 16922996, 21153745, 42307490, 84614980]

約数ペア:

[(1, 84614980), (2, 42307490), (4, 21153745), (5, 16922996), (10, 8461498), (19, 4453420), (20, 4230749), (38, 2226710), (41, 2063780), (76, 1113355), (82, 1031890), (95, 890684), (164, 515945), (190, 445342), (205, 412756), (380, 222671), (410, 206378), (779, 108620), (820, 103189), (1558, 54310), (3116, 27155), (3895, 21724), (5431, 15580), (7790, 10862)]