489705412

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 1025589600

約数和(自身を除く): 535884188

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 89, 98, 134, 178, 196, 268, 356, 419, 469, 623, 838, 938, 1246, 1676, 1876, 2492, 2933, 3283, 4361, 5866, 5963, 6566, 8722, 11732, 11926, 13132, 17444, 20531, 23852, 28073, 37291, 41062, 41741, 56146, 74582, 82124, 83482, 112292, 149164, 166964, 196511, 261037, 292187, 393022, 522074, 584374, 786044, 1044148, 1168748, 1375577, 1827259, 2498497, 2751154, 3654518, 4996994, 5502308, 7309036, 9993988, 17489479, 34978958, 69957916, 122426353, 244852706, 489705412]

約数ペア:

[(1, 489705412), (2, 244852706), (4, 122426353), (7, 69957916), (14, 34978958), (28, 17489479), (49, 9993988), (67, 7309036), (89, 5502308), (98, 4996994), (134, 3654518), (178, 2751154), (196, 2498497), (268, 1827259), (356, 1375577), (419, 1168748), (469, 1044148), (623, 786044), (838, 584374), (938, 522074), (1246, 393022), (1676, 292187), (1876, 261037), (2492, 196511), (2933, 166964), (3283, 149164), (4361, 112292), (5866, 83482), (5963, 82124), (6566, 74582), (8722, 56146), (11732, 41741), (11926, 41062), (13132, 37291), (17444, 28073), (20531, 23852)]