664674710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{911}}^1\times {\mathrm{1489}}^1$

素因数の和:2421

約数の個数: 48

約数和(自身を含む): 1394210880

約数和(自身を除く): 729536170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 911, 1489, 1822, 2978, 4555, 6377, 7445, 9110, 10423, 12754, 14890, 20846, 31885, 44639, 52115, 63770, 72961, 89278, 104230, 145922, 223195, 364805, 446390, 729610, 1356479, 2712958, 6782395, 9495353, 13564790, 18990706, 47476765, 66467471, 94953530, 132934942, 332337355, 664674710]

約数ペア:

[(1, 664674710), (2, 332337355), (5, 132934942), (7, 94953530), (10, 66467471), (14, 47476765), (35, 18990706), (49, 13564790), (70, 9495353), (98, 6782395), (245, 2712958), (490, 1356479), (911, 729610), (1489, 446390), (1822, 364805), (2978, 223195), (4555, 145922), (6377, 104230), (7445, 89278), (9110, 72961), (10423, 63770), (12754, 52115), (14890, 44639), (20846, 31885)]