1289778900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3187}}^1$

素因数の和:3294

約数の個数: 144

約数和(自身を含む): 3984744960

約数和(自身を除く): 2694966060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 71, 75, 76, 95, 100, 114, 142, 150, 190, 213, 228, 284, 285, 300, 355, 380, 426, 475, 570, 710, 852, 950, 1065, 1140, 1349, 1420, 1425, 1775, 1900, 2130, 2698, 2850, 3187, 3550, 4047, 4260, 5325, 5396, 5700, 6374, 6745, 7100, 8094, 9561, 10650, 12748, 13490, 15935, 16188, 19122, 20235, 21300, 26980, 31870, 33725, 38244, 40470, 47805, 60553, 63740, 67450, 79675, 80940, 95610, 101175, 121106, 134900, 159350, 181659, 191220, 202350, 226277, 239025, 242212, 302765, 318700, 363318, 404700, 452554, 478050, 605530, 678831, 726636, 905108, 908295, 956100, 1131385, 1211060, 1357662, 1513825, 1816590, 2262770, 2715324, 3027650, 3394155, 3633180, 4299263, 4525540, 4541475, 5656925, 6055300, 6788310, 8598526, 9082950, 11313850, 12897789, 13576620, 16970775, 17197052, 18165900, 21496315, 22627700, 25795578, 33941550, 42992630, 51591156, 64488945, 67883100, 85985260, 107481575, 128977890, 214963150, 257955780, 322444725, 429926300, 644889450, 1289778900]

約数ペア:

[(1, 1289778900), (2, 644889450), (3, 429926300), (4, 322444725), (5, 257955780), (6, 214963150), (10, 128977890), (12, 107481575), (15, 85985260), (19, 67883100), (20, 64488945), (25, 51591156), (30, 42992630), (38, 33941550), (50, 25795578), (57, 22627700), (60, 21496315), (71, 18165900), (75, 17197052), (76, 16970775), (95, 13576620), (100, 12897789), (114, 11313850), (142, 9082950), (150, 8598526), (190, 6788310), (213, 6055300), (228, 5656925), (284, 4541475), (285, 4525540), (300, 4299263), (355, 3633180), (380, 3394155), (426, 3027650), (475, 2715324), (570, 2262770), (710, 1816590), (852, 1513825), (950, 1357662), (1065, 1211060), (1140, 1131385), (1349, 956100), (1420, 908295), (1425, 905108), (1775, 726636), (1900, 678831), (2130, 605530), (2698, 478050), (2850, 452554), (3187, 404700), (3550, 363318), (4047, 318700), (4260, 302765), (5325, 242212), (5396, 239025), (5700, 226277), (6374, 202350), (6745, 191220), (7100, 181659), (8094, 159350), (9561, 134900), (10650, 121106), (12748, 101175), (13490, 95610), (15935, 80940), (16188, 79675), (19122, 67450), (20235, 63740), (21300, 60553), (26980, 47805), (31870, 40470), (33725, 38244)]