28266870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 72264960

約数和(自身を除く): 43998090

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 101, 114, 190, 202, 285, 303, 491, 505, 570, 606, 982, 1010, 1473, 1515, 1919, 2455, 2946, 3030, 3838, 4910, 5757, 7365, 9329, 9595, 11514, 14730, 18658, 19190, 27987, 28785, 46645, 49591, 55974, 57570, 93290, 99182, 139935, 148773, 247955, 279870, 297546, 495910, 743865, 942229, 1487730, 1884458, 2826687, 4711145, 5653374, 9422290, 14133435, 28266870]

約数ペア:

[(1, 28266870), (2, 14133435), (3, 9422290), (5, 5653374), (6, 4711145), (10, 2826687), (15, 1884458), (19, 1487730), (30, 942229), (38, 743865), (57, 495910), (95, 297546), (101, 279870), (114, 247955), (190, 148773), (202, 139935), (285, 99182), (303, 93290), (491, 57570), (505, 55974), (570, 49591), (606, 46645), (982, 28785), (1010, 27987), (1473, 19190), (1515, 18658), (1919, 14730), (2455, 11514), (2946, 9595), (3030, 9329), (3838, 7365), (4910, 5757)]