79556820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{189421}}^1$

素因数の和:189440

約数の個数: 48

約数和(自身を含む): 254583168

約数和(自身を除く): 175026348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 189421, 378842, 568263, 757684, 947105, 1136526, 1325947, 1894210, 2273052, 2651894, 2841315, 3788420, 3977841, 5303788, 5682630, 6629735, 7955682, 11365260, 13259470, 15911364, 19889205, 26518940, 39778410, 79556820]

約数ペア:

[(1, 79556820), (2, 39778410), (3, 26518940), (4, 19889205), (5, 15911364), (6, 13259470), (7, 11365260), (10, 7955682), (12, 6629735), (14, 5682630), (15, 5303788), (20, 3977841), (21, 3788420), (28, 2841315), (30, 2651894), (35, 2273052), (42, 1894210), (60, 1325947), (70, 1136526), (84, 947105), (105, 757684), (140, 568263), (210, 378842), (420, 189421)]