890264912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 1864315200

約数和(自身を除く): 974050288

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 109, 134, 152, 218, 268, 304, 401, 436, 536, 802, 872, 1072, 1273, 1604, 1744, 2071, 2546, 3208, 4142, 5092, 6416, 7303, 7619, 8284, 10184, 14606, 15238, 16568, 20368, 26867, 29212, 30476, 33136, 43709, 53734, 58424, 60952, 87418, 107468, 116848, 121904, 138757, 174836, 214936, 277514, 349672, 429872, 510473, 555028, 699344, 830471, 1020946, 1110056, 1660942, 2041892, 2220112, 2928503, 3321884, 4083784, 5857006, 6643768, 8167568, 11714012, 13287536, 23428024, 46856048, 55641557, 111283114, 222566228, 445132456, 890264912]

約数ペア:

[(1, 890264912), (2, 445132456), (4, 222566228), (8, 111283114), (16, 55641557), (19, 46856048), (38, 23428024), (67, 13287536), (76, 11714012), (109, 8167568), (134, 6643768), (152, 5857006), (218, 4083784), (268, 3321884), (304, 2928503), (401, 2220112), (436, 2041892), (536, 1660942), (802, 1110056), (872, 1020946), (1072, 830471), (1273, 699344), (1604, 555028), (1744, 510473), (2071, 429872), (2546, 349672), (3208, 277514), (4142, 214936), (5092, 174836), (6416, 138757), (7303, 121904), (7619, 116848), (8284, 107468), (10184, 87418), (14606, 60952), (15238, 58424), (16568, 53734), (20368, 43709), (26867, 33136), (29212, 30476)]