87984400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{67}}^2$

素因数の和:166

約数の個数: 135

約数和(自身を含む): 249618789

約数和(自身を除く): 161634389

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 67, 70, 80, 98, 100, 112, 134, 140, 175, 196, 200, 245, 268, 280, 335, 350, 392, 400, 469, 490, 536, 560, 670, 700, 784, 938, 980, 1072, 1225, 1340, 1400, 1675, 1876, 1960, 2345, 2450, 2680, 2800, 3283, 3350, 3752, 3920, 4489, 4690, 4900, 5360, 6566, 6700, 7504, 8978, 9380, 9800, 11725, 13132, 13400, 16415, 17956, 18760, 19600, 22445, 23450, 26264, 26800, 31423, 32830, 35912, 37520, 44890, 46900, 52528, 62846, 65660, 71824, 82075, 89780, 93800, 112225, 125692, 131320, 157115, 164150, 179560, 187600, 219961, 224450, 251384, 262640, 314230, 328300, 359120, 439922, 448900, 502768, 628460, 656600, 785575, 879844, 897800, 1099805, 1256920, 1313200, 1571150, 1759688, 1795600, 2199610, 2513840, 3142300, 3519376, 4399220, 5499025, 6284600, 8798440, 10998050, 12569200, 17596880, 21996100, 43992200, 87984400]

約数ペア:

[(1, 87984400), (2, 43992200), (4, 21996100), (5, 17596880), (7, 12569200), (8, 10998050), (10, 8798440), (14, 6284600), (16, 5499025), (20, 4399220), (25, 3519376), (28, 3142300), (35, 2513840), (40, 2199610), (49, 1795600), (50, 1759688), (56, 1571150), (67, 1313200), (70, 1256920), (80, 1099805), (98, 897800), (100, 879844), (112, 785575), (134, 656600), (140, 628460), (175, 502768), (196, 448900), (200, 439922), (245, 359120), (268, 328300), (280, 314230), (335, 262640), (350, 251384), (392, 224450), (400, 219961), (469, 187600), (490, 179560), (536, 164150), (560, 157115), (670, 131320), (700, 125692), (784, 112225), (938, 93800), (980, 89780), (1072, 82075), (1225, 71824), (1340, 65660), (1400, 62846), (1675, 52528), (1876, 46900), (1960, 44890), (2345, 37520), (2450, 35912), (2680, 32830), (2800, 31423), (3283, 26800), (3350, 26264), (3752, 23450), (3920, 22445), (4489, 19600), (4690, 18760), (4900, 17956), (5360, 16415), (6566, 13400), (6700, 13132), (7504, 11725), (8978, 9800)]