2019997120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{827}}^1$

素因数の和:1310

約数の個数: 112

約数和(自身を含む): 5110581600

約数和(自身を除く): 3090584480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 449, 544, 680, 827, 898, 1088, 1360, 1654, 1796, 2245, 2720, 3308, 3592, 4135, 4490, 5440, 6616, 7184, 7633, 8270, 8980, 13232, 14059, 14368, 15266, 16540, 17960, 26464, 28118, 28736, 30532, 33080, 35920, 38165, 52928, 56236, 61064, 66160, 70295, 71840, 76330, 112472, 122128, 132320, 140590, 143680, 152660, 224944, 244256, 264640, 281180, 305320, 371323, 449888, 488512, 562360, 610640, 742646, 899776, 1124720, 1221280, 1485292, 1856615, 2249440, 2442560, 2970584, 3713230, 4498880, 5941168, 6312491, 7426460, 11882336, 12624982, 14852920, 23764672, 25249964, 29705840, 31562455, 50499928, 59411680, 63124910, 100999856, 118823360, 126249820, 201999712, 252499640, 403999424, 504999280, 1009998560, 2019997120]

約数ペア:

[(1, 2019997120), (2, 1009998560), (4, 504999280), (5, 403999424), (8, 252499640), (10, 201999712), (16, 126249820), (17, 118823360), (20, 100999856), (32, 63124910), (34, 59411680), (40, 50499928), (64, 31562455), (68, 29705840), (80, 25249964), (85, 23764672), (136, 14852920), (160, 12624982), (170, 11882336), (272, 7426460), (320, 6312491), (340, 5941168), (449, 4498880), (544, 3713230), (680, 2970584), (827, 2442560), (898, 2249440), (1088, 1856615), (1360, 1485292), (1654, 1221280), (1796, 1124720), (2245, 899776), (2720, 742646), (3308, 610640), (3592, 562360), (4135, 488512), (4490, 449888), (5440, 371323), (6616, 305320), (7184, 281180), (7633, 264640), (8270, 244256), (8980, 224944), (13232, 152660), (14059, 143680), (14368, 140590), (15266, 132320), (16540, 122128), (17960, 112472), (26464, 76330), (28118, 71840), (28736, 70295), (30532, 66160), (33080, 61064), (35920, 56236), (38165, 52928)]