290141210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2175

約数の個数: 64

約数和(自身を含む): 595900800

約数和(自身を除く): 305759590

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 43, 85, 86, 95, 170, 190, 215, 323, 430, 646, 731, 817, 1462, 1615, 1634, 2089, 3230, 3655, 4085, 4178, 7310, 8170, 10445, 13889, 20890, 27778, 35513, 39691, 69445, 71026, 79382, 89827, 138890, 177565, 179654, 198455, 355130, 396910, 449135, 674747, 898270, 1349494, 1527059, 1706713, 3054118, 3373735, 3413426, 6747470, 7635295, 8533565, 15270590, 17067130, 29014121, 58028242, 145070605, 290141210]

約数ペア:

[(1, 290141210), (2, 145070605), (5, 58028242), (10, 29014121), (17, 17067130), (19, 15270590), (34, 8533565), (38, 7635295), (43, 6747470), (85, 3413426), (86, 3373735), (95, 3054118), (170, 1706713), (190, 1527059), (215, 1349494), (323, 898270), (430, 674747), (646, 449135), (731, 396910), (817, 355130), (1462, 198455), (1615, 179654), (1634, 177565), (2089, 138890), (3230, 89827), (3655, 79382), (4085, 71026), (4178, 69445), (7310, 39691), (8170, 35513), (10445, 27778), (13889, 20890)]