77720090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 170615808

約数和(自身を除く): 92895718

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 241, 271, 482, 542, 595, 1190, 1205, 1355, 1687, 1897, 2410, 2710, 3374, 3794, 4097, 4607, 8194, 8435, 9214, 9485, 16870, 18970, 20485, 23035, 28679, 32249, 40970, 46070, 57358, 64498, 65311, 130622, 143395, 161245, 286790, 322490, 326555, 457177, 653110, 914354, 1110287, 2220574, 2285885, 4571770, 5551435, 7772009, 11102870, 15544018, 38860045, 77720090]

約数ペア:

[(1, 77720090), (2, 38860045), (5, 15544018), (7, 11102870), (10, 7772009), (14, 5551435), (17, 4571770), (34, 2285885), (35, 2220574), (70, 1110287), (85, 914354), (119, 653110), (170, 457177), (238, 326555), (241, 322490), (271, 286790), (482, 161245), (542, 143395), (595, 130622), (1190, 65311), (1205, 64498), (1355, 57358), (1687, 46070), (1897, 40970), (2410, 32249), (2710, 28679), (3374, 23035), (3794, 20485), (4097, 18970), (4607, 16870), (8194, 9485), (8435, 9214)]