647294865140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{38211031}}^1$

素因数の和:38211069

約数の個数: 72

約数和(自身を含む): 1707574598016

約数和(自身を除く): 1060279732876

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 38211031, 76422062, 152844124, 191055155, 267477217, 382110310, 420321341, 534954434, 764220620, 840642682, 1069908868, 1337386085, 1681285364, 2101606705, 2674772170, 2942249387, 4203213410, 4623534751, 5349544340, 5884498774, 8406426820, 9247069502, 11768997548, 14711246935, 18494139004, 23117673755, 29422493870, 32364743257, 46235347510, 58844987740, 64729486514, 92470695020, 129458973028, 161823716285, 323647432570, 647294865140]

約数ペア:

[(1, 647294865140), (2, 323647432570), (4, 161823716285), (5, 129458973028), (7, 92470695020), (10, 64729486514), (11, 58844987740), (14, 46235347510), (20, 32364743257), (22, 29422493870), (28, 23117673755), (35, 18494139004), (44, 14711246935), (55, 11768997548), (70, 9247069502), (77, 8406426820), (110, 5884498774), (121, 5349544340), (140, 4623534751), (154, 4203213410), (220, 2942249387), (242, 2674772170), (308, 2101606705), (385, 1681285364), (484, 1337386085), (605, 1069908868), (770, 840642682), (847, 764220620), (1210, 534954434), (1540, 420321341), (1694, 382110310), (2420, 267477217), (3388, 191055155), (4235, 152844124), (8470, 76422062), (16940, 38211031)]