248491520

素因数分解:

$2^9\times 5^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:995

約数の個数: 80

約数和(自身を含む): 601769520

約数和(自身を除く): 353278000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 452, 512, 565, 640, 859, 904, 1130, 1280, 1718, 1808, 2260, 2560, 3436, 3616, 4295, 4520, 6872, 7232, 8590, 9040, 13744, 14464, 17180, 18080, 27488, 28928, 34360, 36160, 54976, 57856, 68720, 72320, 97067, 109952, 137440, 144640, 194134, 219904, 274880, 289280, 388268, 439808, 485335, 549760, 776536, 970670, 1099520, 1553072, 1941340, 2199040, 3106144, 3882680, 6212288, 7765360, 12424576, 15530720, 24849152, 31061440, 49698304, 62122880, 124245760, 248491520]

約数ペア:

[(1, 248491520), (2, 124245760), (4, 62122880), (5, 49698304), (8, 31061440), (10, 24849152), (16, 15530720), (20, 12424576), (32, 7765360), (40, 6212288), (64, 3882680), (80, 3106144), (113, 2199040), (128, 1941340), (160, 1553072), (226, 1099520), (256, 970670), (320, 776536), (452, 549760), (512, 485335), (565, 439808), (640, 388268), (859, 289280), (904, 274880), (1130, 219904), (1280, 194134), (1718, 144640), (1808, 137440), (2260, 109952), (2560, 97067), (3436, 72320), (3616, 68720), (4295, 57856), (4520, 54976), (6872, 36160), (7232, 34360), (8590, 28928), (9040, 27488), (13744, 18080), (14464, 17180)]