288668840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{967}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 689990400

約数和(自身を除く): 401321560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 439, 680, 878, 967, 1756, 1934, 2195, 3512, 3868, 4390, 4835, 7463, 7736, 8780, 9670, 14926, 16439, 17560, 19340, 29852, 32878, 37315, 38680, 59704, 65756, 74630, 82195, 131512, 149260, 164390, 298520, 328780, 424513, 657560, 849026, 1698052, 2122565, 3396104, 4245130, 7216721, 8490260, 14433442, 16980520, 28866884, 36083605, 57733768, 72167210, 144334420, 288668840]

約数ペア:

[(1, 288668840), (2, 144334420), (4, 72167210), (5, 57733768), (8, 36083605), (10, 28866884), (17, 16980520), (20, 14433442), (34, 8490260), (40, 7216721), (68, 4245130), (85, 3396104), (136, 2122565), (170, 1698052), (340, 849026), (439, 657560), (680, 424513), (878, 328780), (967, 298520), (1756, 164390), (1934, 149260), (2195, 131512), (3512, 82195), (3868, 74630), (4390, 65756), (4835, 59704), (7463, 38680), (7736, 37315), (8780, 32878), (9670, 29852), (14926, 19340), (16439, 17560)]