821800144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2729}}^1$

素因数の和:2836

約数の個数: 80

約数和(自身を含む): 1828008000

約数和(自身を除く): 1006207856

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 59, 88, 116, 118, 176, 232, 236, 319, 464, 472, 638, 649, 944, 1276, 1298, 1711, 2552, 2596, 2729, 3422, 5104, 5192, 5458, 6844, 10384, 10916, 13688, 18821, 21832, 27376, 30019, 37642, 43664, 60038, 75284, 79141, 120076, 150568, 158282, 161011, 240152, 301136, 316564, 322022, 480304, 633128, 644044, 870551, 1266256, 1288088, 1741102, 1771121, 2576176, 3482204, 3542242, 4669319, 6964408, 7084484, 9338638, 13928816, 14168968, 18677276, 28337936, 37354552, 51362509, 74709104, 102725018, 205450036, 410900072, 821800144]

約数ペア:

[(1, 821800144), (2, 410900072), (4, 205450036), (8, 102725018), (11, 74709104), (16, 51362509), (22, 37354552), (29, 28337936), (44, 18677276), (58, 14168968), (59, 13928816), (88, 9338638), (116, 7084484), (118, 6964408), (176, 4669319), (232, 3542242), (236, 3482204), (319, 2576176), (464, 1771121), (472, 1741102), (638, 1288088), (649, 1266256), (944, 870551), (1276, 644044), (1298, 633128), (1711, 480304), (2552, 322022), (2596, 316564), (2729, 301136), (3422, 240152), (5104, 161011), (5192, 158282), (5458, 150568), (6844, 120076), (10384, 79141), (10916, 75284), (13688, 60038), (18821, 43664), (21832, 37642), (27376, 30019)]