378416960

素因数分解:

$2^6\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2351}}^1$

素因数の和:2871

約数の個数: 56

約数和(自身を含む): 903280896

約数和(自身を除く): 524863936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 503, 1006, 2012, 2351, 2515, 4024, 4702, 5030, 8048, 9404, 10060, 11755, 16096, 18808, 20120, 23510, 32192, 37616, 40240, 47020, 75232, 80480, 94040, 150464, 160960, 188080, 376160, 752320, 1182553, 2365106, 4730212, 5912765, 9460424, 11825530, 18920848, 23651060, 37841696, 47302120, 75683392, 94604240, 189208480, 378416960]

約数ペア:

[(1, 378416960), (2, 189208480), (4, 94604240), (5, 75683392), (8, 47302120), (10, 37841696), (16, 23651060), (20, 18920848), (32, 11825530), (40, 9460424), (64, 5912765), (80, 4730212), (160, 2365106), (320, 1182553), (503, 752320), (1006, 376160), (2012, 188080), (2351, 160960), (2515, 150464), (4024, 94040), (4702, 80480), (5030, 75232), (8048, 47020), (9404, 40240), (10060, 37616), (11755, 32192), (16096, 23510), (18808, 20120)]