28851130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 65629440

約数和(自身を除く): 36778310

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 89, 110, 154, 178, 385, 421, 445, 623, 770, 842, 890, 979, 1246, 1958, 2105, 2947, 3115, 4210, 4631, 4895, 5894, 6230, 6853, 9262, 9790, 13706, 14735, 23155, 29470, 32417, 34265, 37469, 46310, 64834, 68530, 74938, 162085, 187345, 262283, 324170, 374690, 412159, 524566, 824318, 1311415, 2060795, 2622830, 2885113, 4121590, 5770226, 14425565, 28851130]

約数ペア:

[(1, 28851130), (2, 14425565), (5, 5770226), (7, 4121590), (10, 2885113), (11, 2622830), (14, 2060795), (22, 1311415), (35, 824318), (55, 524566), (70, 412159), (77, 374690), (89, 324170), (110, 262283), (154, 187345), (178, 162085), (385, 74938), (421, 68530), (445, 64834), (623, 46310), (770, 37469), (842, 34265), (890, 32417), (979, 29470), (1246, 23155), (1958, 14735), (2105, 13706), (2947, 9790), (3115, 9262), (4210, 6853), (4631, 6230), (4895, 5894)]