220021760

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{877}}^1$

素因数の和:916

約数の個数: 132

約数和(自身を含む): 614664972

約数和(自身を除く): 394643212

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 877, 896, 980, 1024, 1120, 1280, 1568, 1754, 1792, 1960, 2240, 2560, 3136, 3508, 3584, 3920, 4385, 4480, 5120, 6139, 6272, 7016, 7168, 7840, 8770, 8960, 12278, 12544, 14032, 15680, 17540, 17920, 24556, 25088, 28064, 30695, 31360, 35080, 35840, 42973, 49112, 50176, 56128, 61390, 62720, 70160, 85946, 98224, 112256, 122780, 125440, 140320, 171892, 196448, 214865, 224512, 245560, 250880, 280640, 343784, 392896, 429730, 449024, 491120, 561280, 687568, 785792, 859460, 898048, 982240, 1122560, 1375136, 1571584, 1718920, 1964480, 2245120, 2750272, 3143168, 3437840, 3928960, 4490240, 5500544, 6286336, 6875680, 7857920, 11001088, 13751360, 15715840, 22002176, 27502720, 31431680, 44004352, 55005440, 110010880, 220021760]

約数ペア:

[(1, 220021760), (2, 110010880), (4, 55005440), (5, 44004352), (7, 31431680), (8, 27502720), (10, 22002176), (14, 15715840), (16, 13751360), (20, 11001088), (28, 7857920), (32, 6875680), (35, 6286336), (40, 5500544), (49, 4490240), (56, 3928960), (64, 3437840), (70, 3143168), (80, 2750272), (98, 2245120), (112, 1964480), (128, 1718920), (140, 1571584), (160, 1375136), (196, 1122560), (224, 982240), (245, 898048), (256, 859460), (280, 785792), (320, 687568), (392, 561280), (448, 491120), (490, 449024), (512, 429730), (560, 392896), (640, 343784), (784, 280640), (877, 250880), (896, 245560), (980, 224512), (1024, 214865), (1120, 196448), (1280, 171892), (1568, 140320), (1754, 125440), (1792, 122780), (1960, 112256), (2240, 98224), (2560, 85946), (3136, 70160), (3508, 62720), (3584, 61390), (3920, 56128), (4385, 50176), (4480, 49112), (5120, 42973), (6139, 35840), (6272, 35080), (7016, 31360), (7168, 30695), (7840, 28064), (8770, 25088), (8960, 24556), (12278, 17920), (12544, 17540), (14032, 15680)]