219421120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:426

約数の個数: 112

約数和(自身を含む): 555955200

約数和(自身を除く): 336534080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 151, 152, 160, 190, 239, 302, 304, 320, 380, 478, 604, 608, 755, 760, 956, 1195, 1208, 1216, 1510, 1520, 1912, 2390, 2416, 2869, 3020, 3040, 3824, 4541, 4780, 4832, 5738, 6040, 6080, 7648, 9082, 9560, 9664, 11476, 12080, 14345, 15296, 18164, 19120, 22705, 22952, 24160, 28690, 36089, 36328, 38240, 45410, 45904, 48320, 57380, 72178, 72656, 76480, 90820, 91808, 114760, 144356, 145312, 180445, 181640, 183616, 229520, 288712, 290624, 360890, 363280, 459040, 577424, 685691, 721780, 726560, 918080, 1154848, 1371382, 1443560, 1453120, 2309696, 2742764, 2887120, 3428455, 5485528, 5774240, 6856910, 10971056, 11548480, 13713820, 21942112, 27427640, 43884224, 54855280, 109710560, 219421120]

約数ペア:

[(1, 219421120), (2, 109710560), (4, 54855280), (5, 43884224), (8, 27427640), (10, 21942112), (16, 13713820), (19, 11548480), (20, 10971056), (32, 6856910), (38, 5774240), (40, 5485528), (64, 3428455), (76, 2887120), (80, 2742764), (95, 2309696), (151, 1453120), (152, 1443560), (160, 1371382), (190, 1154848), (239, 918080), (302, 726560), (304, 721780), (320, 685691), (380, 577424), (478, 459040), (604, 363280), (608, 360890), (755, 290624), (760, 288712), (956, 229520), (1195, 183616), (1208, 181640), (1216, 180445), (1510, 145312), (1520, 144356), (1912, 114760), (2390, 91808), (2416, 90820), (2869, 76480), (3020, 72656), (3040, 72178), (3824, 57380), (4541, 48320), (4780, 45904), (4832, 45410), (5738, 38240), (6040, 36328), (6080, 36089), (7648, 28690), (9082, 24160), (9560, 22952), (9664, 22705), (11476, 19120), (12080, 18164), (14345, 15296)]