1299742480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{955693}}^1$

素因数の和:955723

約数の個数: 40

約数和(自身を含む): 3199663512

約数和(自身を除く): 1899921032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 955693, 1911386, 3822772, 4778465, 7645544, 9556930, 15291088, 16246781, 19113860, 32493562, 38227720, 64987124, 76455440, 81233905, 129974248, 162467810, 259948496, 324935620, 649871240, 1299742480]

約数ペア:

[(1, 1299742480), (2, 649871240), (4, 324935620), (5, 259948496), (8, 162467810), (10, 129974248), (16, 81233905), (17, 76455440), (20, 64987124), (34, 38227720), (40, 32493562), (68, 19113860), (80, 16246781), (85, 15291088), (136, 9556930), (170, 7645544), (272, 4778465), (340, 3822772), (680, 1911386), (1360, 955693)]