287088340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{673}}^1$

素因数の和:977

約数の個数: 96

約数和(自身を含む): 755483904

約数和(自身を除く): 468395564

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 277, 308, 385, 554, 673, 770, 1108, 1346, 1385, 1540, 1939, 2692, 2770, 3047, 3365, 3878, 4711, 5540, 6094, 6730, 7403, 7756, 9422, 9695, 12188, 13460, 14806, 15235, 18844, 19390, 21329, 23555, 29612, 30470, 37015, 38780, 42658, 47110, 51821, 60940, 74030, 85316, 94220, 103642, 106645, 148060, 186421, 207284, 213290, 259105, 372842, 426580, 518210, 745684, 932105, 1036420, 1304947, 1864210, 2050631, 2609894, 3728420, 4101262, 5219788, 6524735, 8202524, 10253155, 13049470, 14354417, 20506310, 26098940, 28708834, 41012620, 57417668, 71772085, 143544170, 287088340]

約数ペア:

[(1, 287088340), (2, 143544170), (4, 71772085), (5, 57417668), (7, 41012620), (10, 28708834), (11, 26098940), (14, 20506310), (20, 14354417), (22, 13049470), (28, 10253155), (35, 8202524), (44, 6524735), (55, 5219788), (70, 4101262), (77, 3728420), (110, 2609894), (140, 2050631), (154, 1864210), (220, 1304947), (277, 1036420), (308, 932105), (385, 745684), (554, 518210), (673, 426580), (770, 372842), (1108, 259105), (1346, 213290), (1385, 207284), (1540, 186421), (1939, 148060), (2692, 106645), (2770, 103642), (3047, 94220), (3365, 85316), (3878, 74030), (4711, 60940), (5540, 51821), (6094, 47110), (6730, 42658), (7403, 38780), (7756, 37015), (9422, 30470), (9695, 29612), (12188, 23555), (13460, 21329), (14806, 19390), (15235, 18844)]