12198340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^2$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 32300352

約数和(自身を除く): 20102012

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 220, 308, 356, 385, 445, 623, 770, 890, 979, 1246, 1540, 1780, 1958, 2492, 3115, 3916, 4895, 6230, 6853, 7921, 9790, 12460, 13706, 15842, 19580, 27412, 31684, 34265, 39605, 55447, 68530, 79210, 87131, 110894, 137060, 158420, 174262, 221788, 277235, 348524, 435655, 554470, 609917, 871310, 1108940, 1219834, 1742620, 2439668, 3049585, 6099170, 12198340]

約数ペア:

[(1, 12198340), (2, 6099170), (4, 3049585), (5, 2439668), (7, 1742620), (10, 1219834), (11, 1108940), (14, 871310), (20, 609917), (22, 554470), (28, 435655), (35, 348524), (44, 277235), (55, 221788), (70, 174262), (77, 158420), (89, 137060), (110, 110894), (140, 87131), (154, 79210), (178, 68530), (220, 55447), (308, 39605), (356, 34265), (385, 31684), (445, 27412), (623, 19580), (770, 15842), (890, 13706), (979, 12460), (1246, 9790), (1540, 7921), (1780, 6853), (1958, 6230), (2492, 4895), (3115, 3916)]