309204080

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{8069}}^1$

素因数の和:8561

約数の個数: 40

約数和(自身を含む): 720489600

約数和(自身を除く): 411285520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1916, 2395, 3832, 4790, 7664, 8069, 9580, 16138, 19160, 32276, 38320, 40345, 64552, 80690, 129104, 161380, 322760, 645520, 3865051, 7730102, 15460204, 19325255, 30920408, 38650510, 61840816, 77301020, 154602040, 309204080]

約数ペア:

[(1, 309204080), (2, 154602040), (4, 77301020), (5, 61840816), (8, 38650510), (10, 30920408), (16, 19325255), (20, 15460204), (40, 7730102), (80, 3865051), (479, 645520), (958, 322760), (1916, 161380), (2395, 129104), (3832, 80690), (4790, 64552), (7664, 40345), (8069, 38320), (9580, 32276), (16138, 19160)]