204920282

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 388730880

約数和(自身を除く): 183810598

約数列:

[1, 2, 7, 14, 19, 37, 38, 47, 74, 94, 133, 259, 266, 329, 443, 518, 658, 703, 886, 893, 1406, 1739, 1786, 3101, 3478, 4921, 6202, 6251, 8417, 9842, 12173, 12502, 16391, 16834, 20821, 24346, 32782, 33041, 41642, 58919, 66082, 114737, 117838, 145747, 229474, 231287, 291494, 311429, 395599, 462574, 622858, 770377, 791198, 1540754, 2180003, 2769193, 4360006, 5392639, 5538386, 10785278, 14637163, 29274326, 102460141, 204920282]

約数ペア:

[(1, 204920282), (2, 102460141), (7, 29274326), (14, 14637163), (19, 10785278), (37, 5538386), (38, 5392639), (47, 4360006), (74, 2769193), (94, 2180003), (133, 1540754), (259, 791198), (266, 770377), (329, 622858), (443, 462574), (518, 395599), (658, 311429), (703, 291494), (886, 231287), (893, 229474), (1406, 145747), (1739, 117838), (1786, 114737), (3101, 66082), (3478, 58919), (4921, 41642), (6202, 33041), (6251, 32782), (8417, 24346), (9842, 20821), (12173, 16834), (12502, 16391)]