198788730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1153}}^1$

素因数の和:1991

約数の個数: 64

約数和(自身を含む): 546386688

約数和(自身を除く): 347597958

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 821, 1153, 1642, 2306, 2463, 3459, 4105, 4926, 5747, 5765, 6918, 8071, 8210, 11494, 11530, 12315, 16142, 17241, 17295, 24213, 24630, 28735, 34482, 34590, 40355, 48426, 57470, 80710, 86205, 121065, 172410, 242130, 946613, 1893226, 2839839, 4733065, 5679678, 6626291, 9466130, 13252582, 14199195, 19878873, 28398390, 33131455, 39757746, 66262910, 99394365, 198788730]

約数ペア:

[(1, 198788730), (2, 99394365), (3, 66262910), (5, 39757746), (6, 33131455), (7, 28398390), (10, 19878873), (14, 14199195), (15, 13252582), (21, 9466130), (30, 6626291), (35, 5679678), (42, 4733065), (70, 2839839), (105, 1893226), (210, 946613), (821, 242130), (1153, 172410), (1642, 121065), (2306, 86205), (2463, 80710), (3459, 57470), (4105, 48426), (4926, 40355), (5747, 34590), (5765, 34482), (6918, 28735), (8071, 24630), (8210, 24213), (11494, 17295), (11530, 17241), (12315, 16142)]