249564160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:721

約数の個数: 88

約数和(自身を含む): 607222080

約数和(自身を除く): 357657920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 617, 632, 640, 790, 1024, 1234, 1264, 1280, 1580, 2468, 2528, 2560, 3085, 3160, 4936, 5056, 5120, 6170, 6320, 9872, 10112, 12340, 12640, 19744, 20224, 24680, 25280, 39488, 40448, 48743, 49360, 50560, 78976, 80896, 97486, 98720, 101120, 157952, 194972, 197440, 202240, 243715, 315904, 389944, 394880, 404480, 487430, 631808, 779888, 789760, 974860, 1559776, 1579520, 1949720, 3119552, 3159040, 3899440, 6239104, 7798880, 12478208, 15597760, 24956416, 31195520, 49912832, 62391040, 124782080, 249564160]

約数ペア:

[(1, 249564160), (2, 124782080), (4, 62391040), (5, 49912832), (8, 31195520), (10, 24956416), (16, 15597760), (20, 12478208), (32, 7798880), (40, 6239104), (64, 3899440), (79, 3159040), (80, 3119552), (128, 1949720), (158, 1579520), (160, 1559776), (256, 974860), (316, 789760), (320, 779888), (395, 631808), (512, 487430), (617, 404480), (632, 394880), (640, 389944), (790, 315904), (1024, 243715), (1234, 202240), (1264, 197440), (1280, 194972), (1580, 157952), (2468, 101120), (2528, 98720), (2560, 97486), (3085, 80896), (3160, 78976), (4936, 50560), (5056, 49360), (5120, 48743), (6170, 40448), (6320, 39488), (9872, 25280), (10112, 24680), (12340, 20224), (12640, 19744)]