84377180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2393}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 185812704

約数和(自身を除く): 101435524

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 2393, 3526, 4786, 7052, 8815, 9572, 11965, 17630, 23930, 35260, 47860, 98113, 102899, 196226, 205798, 392452, 411596, 490565, 514495, 981130, 1028990, 1962260, 2057980, 4218859, 8437718, 16875436, 21094295, 42188590, 84377180]

約数ペア:

[(1, 84377180), (2, 42188590), (4, 21094295), (5, 16875436), (10, 8437718), (20, 4218859), (41, 2057980), (43, 1962260), (82, 1028990), (86, 981130), (164, 514495), (172, 490565), (205, 411596), (215, 392452), (410, 205798), (430, 196226), (820, 102899), (860, 98113), (1763, 47860), (2393, 35260), (3526, 23930), (4786, 17630), (7052, 11965), (8815, 9572)]