89243560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2293}}^1$

素因数の和:2450

約数の個数: 64

約数和(自身を含む): 231235200

約数和(自身を除く): 141991640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2293, 2780, 3892, 4586, 4865, 5560, 7784, 9172, 9730, 11465, 16051, 18344, 19460, 22930, 32102, 38920, 45860, 64204, 80255, 91720, 128408, 160510, 318727, 321020, 637454, 642040, 1274908, 1593635, 2231089, 2549816, 3187270, 4462178, 6374540, 8924356, 11155445, 12749080, 17848712, 22310890, 44621780, 89243560]

約数ペア:

[(1, 89243560), (2, 44621780), (4, 22310890), (5, 17848712), (7, 12749080), (8, 11155445), (10, 8924356), (14, 6374540), (20, 4462178), (28, 3187270), (35, 2549816), (40, 2231089), (56, 1593635), (70, 1274908), (139, 642040), (140, 637454), (278, 321020), (280, 318727), (556, 160510), (695, 128408), (973, 91720), (1112, 80255), (1390, 64204), (1946, 45860), (2293, 38920), (2780, 32102), (3892, 22930), (4586, 19460), (4865, 18344), (5560, 16051), (7784, 11465), (9172, 9730)]