853960730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{12721}}^1$

素因数の和:12879

約数の個数: 48

約数和(自身を含む): 1801282536

約数和(自身を除く): 947321806

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 245, 274, 490, 685, 959, 1370, 1918, 4795, 6713, 9590, 12721, 13426, 25442, 33565, 63605, 67130, 89047, 127210, 178094, 445235, 623329, 890470, 1246658, 1742777, 3116645, 3485554, 6233290, 8713885, 12199439, 17427770, 24398878, 60997195, 85396073, 121994390, 170792146, 426980365, 853960730]

約数ペア:

[(1, 853960730), (2, 426980365), (5, 170792146), (7, 121994390), (10, 85396073), (14, 60997195), (35, 24398878), (49, 17427770), (70, 12199439), (98, 8713885), (137, 6233290), (245, 3485554), (274, 3116645), (490, 1742777), (685, 1246658), (959, 890470), (1370, 623329), (1918, 445235), (4795, 178094), (6713, 127210), (9590, 89047), (12721, 67130), (13426, 63605), (25442, 33565)]