17977120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2293}}^1$

素因数の和:2322

約数の個数: 72

約数和(自身を含む): 49426524

約数和(自身を除く): 31449404

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2293, 3920, 4586, 7840, 9172, 11465, 16051, 18344, 22930, 32102, 36688, 45860, 64204, 73376, 80255, 91720, 112357, 128408, 160510, 183440, 224714, 256816, 321020, 366880, 449428, 513632, 561785, 642040, 898856, 1123570, 1284080, 1797712, 2247140, 2568160, 3595424, 4494280, 8988560, 17977120]

約数ペア:

[(1, 17977120), (2, 8988560), (4, 4494280), (5, 3595424), (7, 2568160), (8, 2247140), (10, 1797712), (14, 1284080), (16, 1123570), (20, 898856), (28, 642040), (32, 561785), (35, 513632), (40, 449428), (49, 366880), (56, 321020), (70, 256816), (80, 224714), (98, 183440), (112, 160510), (140, 128408), (160, 112357), (196, 91720), (224, 80255), (245, 73376), (280, 64204), (392, 45860), (490, 36688), (560, 32102), (784, 22930), (980, 18344), (1120, 16051), (1568, 11465), (1960, 9172), (2293, 7840), (3920, 4586)]