2458904840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{80567}}^1$

素因数の和:80694

約数の個数: 64

約数和(自身を含む): 6380985600

約数和(自身を除く): 3922080760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 3052, 3815, 4360, 6104, 7630, 15260, 30520, 80567, 161134, 322268, 402835, 563969, 644536, 805670, 1127938, 1611340, 2255876, 2819845, 3222680, 4511752, 5639690, 8781803, 11279380, 17563606, 22558760, 35127212, 43909015, 61472621, 70254424, 87818030, 122945242, 175636060, 245890484, 307363105, 351272120, 491780968, 614726210, 1229452420, 2458904840]

約数ペア:

[(1, 2458904840), (2, 1229452420), (4, 614726210), (5, 491780968), (7, 351272120), (8, 307363105), (10, 245890484), (14, 175636060), (20, 122945242), (28, 87818030), (35, 70254424), (40, 61472621), (56, 43909015), (70, 35127212), (109, 22558760), (140, 17563606), (218, 11279380), (280, 8781803), (436, 5639690), (545, 4511752), (763, 3222680), (872, 2819845), (1090, 2255876), (1526, 1611340), (2180, 1127938), (3052, 805670), (3815, 644536), (4360, 563969), (6104, 402835), (7630, 322268), (15260, 161134), (30520, 80567)]