28580860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 76220928

約数和(自身を除く): 47640068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 67, 70, 77, 110, 134, 140, 154, 220, 268, 277, 308, 335, 385, 469, 554, 670, 737, 770, 938, 1108, 1340, 1385, 1474, 1540, 1876, 1939, 2345, 2770, 2948, 3047, 3685, 3878, 4690, 5159, 5540, 6094, 7370, 7756, 9380, 9695, 10318, 12188, 14740, 15235, 18559, 19390, 20636, 21329, 25795, 30470, 37118, 38780, 42658, 51590, 60940, 74236, 85316, 92795, 103180, 106645, 129913, 185590, 204149, 213290, 259826, 371180, 408298, 426580, 519652, 649565, 816596, 1020745, 1299130, 1429043, 2041490, 2598260, 2858086, 4082980, 5716172, 7145215, 14290430, 28580860]

約数ペア:

[(1, 28580860), (2, 14290430), (4, 7145215), (5, 5716172), (7, 4082980), (10, 2858086), (11, 2598260), (14, 2041490), (20, 1429043), (22, 1299130), (28, 1020745), (35, 816596), (44, 649565), (55, 519652), (67, 426580), (70, 408298), (77, 371180), (110, 259826), (134, 213290), (140, 204149), (154, 185590), (220, 129913), (268, 106645), (277, 103180), (308, 92795), (335, 85316), (385, 74236), (469, 60940), (554, 51590), (670, 42658), (737, 38780), (770, 37118), (938, 30470), (1108, 25795), (1340, 21329), (1385, 20636), (1474, 19390), (1540, 18559), (1876, 15235), (1939, 14740), (2345, 12188), (2770, 10318), (2948, 9695), (3047, 9380), (3685, 7756), (3878, 7370), (4690, 6094), (5159, 5540)]