2786728804580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{9143411}}^1$

素因数の和:9143745

約数の個数: 72

約数和(自身を含む): 6829470438336

約数和(自身を除く): 4042741633756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 311, 490, 622, 980, 1244, 1555, 2177, 3110, 4354, 6220, 8708, 10885, 15239, 21770, 30478, 43540, 60956, 76195, 152390, 304780, 9143411, 18286822, 36573644, 45717055, 64003877, 91434110, 128007754, 182868220, 256015508, 320019385, 448027139, 640038770, 896054278, 1280077540, 1792108556, 2240135695, 2843600821, 4480271390, 5687201642, 8960542780, 11374403284, 14218004105, 19905205747, 28436008210, 39810411494, 56872016420, 79620822988, 99526028735, 139336440229, 199052057470, 278672880458, 398104114940, 557345760916, 696682201145, 1393364402290, 2786728804580]

約数ペア:

[(1, 2786728804580), (2, 1393364402290), (4, 696682201145), (5, 557345760916), (7, 398104114940), (10, 278672880458), (14, 199052057470), (20, 139336440229), (28, 99526028735), (35, 79620822988), (49, 56872016420), (70, 39810411494), (98, 28436008210), (140, 19905205747), (196, 14218004105), (245, 11374403284), (311, 8960542780), (490, 5687201642), (622, 4480271390), (980, 2843600821), (1244, 2240135695), (1555, 1792108556), (2177, 1280077540), (3110, 896054278), (4354, 640038770), (6220, 448027139), (8708, 320019385), (10885, 256015508), (15239, 182868220), (21770, 128007754), (30478, 91434110), (43540, 64003877), (60956, 45717055), (76195, 36573644), (152390, 18286822), (304780, 9143411)]