10989020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 26889408

約数和(自身を除く): 15900388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1481, 1484, 1855, 2962, 3710, 5924, 7405, 7420, 10367, 14810, 20734, 29620, 41468, 51835, 78493, 103670, 156986, 207340, 313972, 392465, 549451, 784930, 1098902, 1569860, 2197804, 2747255, 5494510, 10989020]

約数ペア:

[(1, 10989020), (2, 5494510), (4, 2747255), (5, 2197804), (7, 1569860), (10, 1098902), (14, 784930), (20, 549451), (28, 392465), (35, 313972), (53, 207340), (70, 156986), (106, 103670), (140, 78493), (212, 51835), (265, 41468), (371, 29620), (530, 20734), (742, 14810), (1060, 10367), (1481, 7420), (1484, 7405), (1855, 5924), (2962, 3710)]