313636540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{2293}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 753826752

約数和(自身を除く): 440190212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 977, 1954, 2293, 3908, 4586, 4885, 6839, 9172, 9770, 11465, 13678, 16051, 19540, 22930, 27356, 32102, 34195, 45860, 64204, 68390, 80255, 136780, 160510, 321020, 2240261, 4480522, 8961044, 11201305, 15681827, 22402610, 31363654, 44805220, 62727308, 78409135, 156818270, 313636540]

約数ペア:

[(1, 313636540), (2, 156818270), (4, 78409135), (5, 62727308), (7, 44805220), (10, 31363654), (14, 22402610), (20, 15681827), (28, 11201305), (35, 8961044), (70, 4480522), (140, 2240261), (977, 321020), (1954, 160510), (2293, 136780), (3908, 80255), (4586, 68390), (4885, 64204), (6839, 45860), (9172, 34195), (9770, 32102), (11465, 27356), (13678, 22930), (16051, 19540)]