1998570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 5677056

約数和(自身を除く): 3678486

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 307, 310, 434, 465, 614, 651, 921, 930, 1085, 1302, 1535, 1842, 2149, 2170, 3070, 3255, 4298, 4605, 6447, 6510, 9210, 9517, 10745, 12894, 19034, 21490, 28551, 32235, 47585, 57102, 64470, 66619, 95170, 133238, 142755, 199857, 285510, 333095, 399714, 666190, 999285, 1998570]

約数ペア:

[(1, 1998570), (2, 999285), (3, 666190), (5, 399714), (6, 333095), (7, 285510), (10, 199857), (14, 142755), (15, 133238), (21, 95170), (30, 66619), (31, 64470), (35, 57102), (42, 47585), (62, 32235), (70, 28551), (93, 21490), (105, 19034), (155, 12894), (186, 10745), (210, 9517), (217, 9210), (307, 6510), (310, 6447), (434, 4605), (465, 4298), (614, 3255), (651, 3070), (921, 2170), (930, 2149), (1085, 1842), (1302, 1535)]