2018017100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{18913}}^1$

素因数の和:19035

約数の個数: 72

約数和(自身を含む): 4826701488

約数和(自身を除く): 2808684388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 194, 220, 275, 388, 485, 550, 970, 1067, 1100, 1940, 2134, 2425, 4268, 4850, 5335, 9700, 10670, 18913, 21340, 26675, 37826, 53350, 75652, 94565, 106700, 189130, 208043, 378260, 416086, 472825, 832172, 945650, 1040215, 1834561, 1891300, 2080430, 3669122, 4160860, 5201075, 7338244, 9172805, 10402150, 18345610, 20180171, 20804300, 36691220, 40360342, 45864025, 80720684, 91728050, 100900855, 183456100, 201801710, 403603420, 504504275, 1009008550, 2018017100]

約数ペア:

[(1, 2018017100), (2, 1009008550), (4, 504504275), (5, 403603420), (10, 201801710), (11, 183456100), (20, 100900855), (22, 91728050), (25, 80720684), (44, 45864025), (50, 40360342), (55, 36691220), (97, 20804300), (100, 20180171), (110, 18345610), (194, 10402150), (220, 9172805), (275, 7338244), (388, 5201075), (485, 4160860), (550, 3669122), (970, 2080430), (1067, 1891300), (1100, 1834561), (1940, 1040215), (2134, 945650), (2425, 832172), (4268, 472825), (4850, 416086), (5335, 378260), (9700, 208043), (10670, 189130), (18913, 106700), (21340, 94565), (26675, 75652), (37826, 53350)]