90267716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^2$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 204568896

約数和(自身を除く): 114301180

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 89, 148, 154, 178, 259, 308, 356, 407, 518, 623, 814, 979, 1036, 1246, 1628, 1958, 2492, 2849, 3293, 3916, 5698, 6586, 6853, 7921, 11396, 13172, 13706, 15842, 23051, 27412, 31684, 36223, 46102, 55447, 72446, 87131, 92204, 110894, 144892, 174262, 221788, 253561, 293077, 348524, 507122, 586154, 609917, 1014244, 1172308, 1219834, 2051539, 2439668, 3223847, 4103078, 6447694, 8206156, 12895388, 22566929, 45133858, 90267716]

約数ペア:

[(1, 90267716), (2, 45133858), (4, 22566929), (7, 12895388), (11, 8206156), (14, 6447694), (22, 4103078), (28, 3223847), (37, 2439668), (44, 2051539), (74, 1219834), (77, 1172308), (89, 1014244), (148, 609917), (154, 586154), (178, 507122), (259, 348524), (308, 293077), (356, 253561), (407, 221788), (518, 174262), (623, 144892), (814, 110894), (979, 92204), (1036, 87131), (1246, 72446), (1628, 55447), (1958, 46102), (2492, 36223), (2849, 31684), (3293, 27412), (3916, 23051), (5698, 15842), (6586, 13706), (6853, 13172), (7921, 11396)]