289997390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 582033600

約数和(自身を除く): 292036210

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 59, 85, 118, 145, 170, 290, 295, 493, 590, 986, 997, 1003, 1711, 1994, 2006, 2465, 3422, 4930, 4985, 5015, 8555, 9970, 10030, 16949, 17110, 28913, 29087, 33898, 57826, 58174, 58823, 84745, 117646, 144565, 145435, 169490, 289130, 290870, 294115, 491521, 588230, 983042, 999991, 1705867, 1999982, 2457605, 3411734, 4915210, 4999955, 8529335, 9999910, 17058670, 28999739, 57999478, 144998695, 289997390]

約数ペア:

[(1, 289997390), (2, 144998695), (5, 57999478), (10, 28999739), (17, 17058670), (29, 9999910), (34, 8529335), (58, 4999955), (59, 4915210), (85, 3411734), (118, 2457605), (145, 1999982), (170, 1705867), (290, 999991), (295, 983042), (493, 588230), (590, 491521), (986, 294115), (997, 290870), (1003, 289130), (1711, 169490), (1994, 145435), (2006, 144565), (2465, 117646), (3422, 84745), (4930, 58823), (4985, 58174), (5015, 57826), (8555, 33898), (9970, 29087), (10030, 28913), (16949, 17110)]