998949640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{12893}}^1$

素因数の和:13066

約数の個数: 64

約数和(自身を含む): 2436966000

約数和(自身を除く): 1438016360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1192, 1490, 1937, 2980, 3874, 5960, 7748, 9685, 12893, 15496, 19370, 25786, 38740, 51572, 64465, 77480, 103144, 128930, 167609, 257860, 335218, 515720, 670436, 838045, 1340872, 1676090, 1921057, 3352180, 3842114, 6704360, 7684228, 9605285, 15368456, 19210570, 24973741, 38421140, 49947482, 76842280, 99894964, 124868705, 199789928, 249737410, 499474820, 998949640]

約数ペア:

[(1, 998949640), (2, 499474820), (4, 249737410), (5, 199789928), (8, 124868705), (10, 99894964), (13, 76842280), (20, 49947482), (26, 38421140), (40, 24973741), (52, 19210570), (65, 15368456), (104, 9605285), (130, 7684228), (149, 6704360), (260, 3842114), (298, 3352180), (520, 1921057), (596, 1676090), (745, 1340872), (1192, 838045), (1490, 670436), (1937, 515720), (2980, 335218), (3874, 257860), (5960, 167609), (7748, 128930), (9685, 103144), (12893, 77480), (15496, 64465), (19370, 51572), (25786, 38740)]