313799920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{80051}}^1$

素因数の和:80078

約数の個数: 60

約数和(自身を含む): 848711304

約数和(自身を除く): 534911384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 80051, 160102, 320204, 400255, 560357, 640408, 800510, 1120714, 1280816, 1601020, 2241428, 2801785, 3202040, 3922499, 4482856, 5603570, 6404080, 7844998, 8965712, 11207140, 15689996, 19612495, 22414280, 31379992, 39224990, 44828560, 62759984, 78449980, 156899960, 313799920]

約数ペア:

[(1, 313799920), (2, 156899960), (4, 78449980), (5, 62759984), (7, 44828560), (8, 39224990), (10, 31379992), (14, 22414280), (16, 19612495), (20, 15689996), (28, 11207140), (35, 8965712), (40, 7844998), (49, 6404080), (56, 5603570), (70, 4482856), (80, 3922499), (98, 3202040), (112, 2801785), (140, 2241428), (196, 1601020), (245, 1280816), (280, 1120714), (392, 800510), (490, 640408), (560, 560357), (784, 400255), (980, 320204), (1960, 160102), (3920, 80051)]