8853407860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{77839}}^1$

素因数の和:77917

約数の個数: 72

約数和(自身を含む): 20871083520

約数和(自身を除く): 12017675660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 940, 1034, 1210, 2068, 2420, 2585, 5170, 5687, 10340, 11374, 22748, 28435, 56870, 77839, 113740, 155678, 311356, 389195, 778390, 856229, 1556780, 1712458, 3424916, 3658433, 4281145, 7316866, 8562290, 9418519, 14633732, 17124580, 18292165, 18837038, 36584330, 37674076, 40242763, 47092595, 73168660, 80485526, 94185190, 160971052, 188370380, 201213815, 402427630, 442670393, 804855260, 885340786, 1770681572, 2213351965, 4426703930, 8853407860]

約数ペア:

[(1, 8853407860), (2, 4426703930), (4, 2213351965), (5, 1770681572), (10, 885340786), (11, 804855260), (20, 442670393), (22, 402427630), (44, 201213815), (47, 188370380), (55, 160971052), (94, 94185190), (110, 80485526), (121, 73168660), (188, 47092595), (220, 40242763), (235, 37674076), (242, 36584330), (470, 18837038), (484, 18292165), (517, 17124580), (605, 14633732), (940, 9418519), (1034, 8562290), (1210, 7316866), (2068, 4281145), (2420, 3658433), (2585, 3424916), (5170, 1712458), (5687, 1556780), (10340, 856229), (11374, 778390), (22748, 389195), (28435, 311356), (56870, 155678), (77839, 113740)]