2788897720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1422907}}^1$

素因数の和:1422932

約数の個数: 48

約数和(自身を含む): 7299518040

約数和(自身を除く): 4510620320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 1422907, 2845814, 5691628, 7114535, 9960349, 11383256, 14229070, 19920698, 28458140, 39841396, 49801745, 56916280, 69722443, 79682792, 99603490, 139444886, 199206980, 278889772, 348612215, 398413960, 557779544, 697224430, 1394448860, 2788897720]

約数ペア:

[(1, 2788897720), (2, 1394448860), (4, 697224430), (5, 557779544), (7, 398413960), (8, 348612215), (10, 278889772), (14, 199206980), (20, 139444886), (28, 99603490), (35, 79682792), (40, 69722443), (49, 56916280), (56, 49801745), (70, 39841396), (98, 28458140), (140, 19920698), (196, 14229070), (245, 11383256), (280, 9960349), (392, 7114535), (490, 5691628), (980, 2845814), (1960, 1422907)]