1285202650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{7607}}^1$

素因数の和:7759

約数の個数: 48

約数和(自身を含む): 2490554880

約数和(自身を除く): 1205352230

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 109, 155, 218, 310, 545, 775, 1090, 1550, 2725, 3379, 5450, 6758, 7607, 15214, 16895, 33790, 38035, 76070, 84475, 168950, 190175, 235817, 380350, 471634, 829163, 1179085, 1658326, 2358170, 4145815, 5895425, 8291630, 11790850, 20729075, 25704053, 41458150, 51408106, 128520265, 257040530, 642601325, 1285202650]

約数ペア:

[(1, 1285202650), (2, 642601325), (5, 257040530), (10, 128520265), (25, 51408106), (31, 41458150), (50, 25704053), (62, 20729075), (109, 11790850), (155, 8291630), (218, 5895425), (310, 4145815), (545, 2358170), (775, 1658326), (1090, 1179085), (1550, 829163), (2725, 471634), (3379, 380350), (5450, 235817), (6758, 190175), (7607, 168950), (15214, 84475), (16895, 76070), (33790, 38035)]