311364496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 650958336

約数和(自身を除く): 339593840

約数列:

[1, 2, 4, 8, 16, 31, 41, 61, 62, 82, 122, 124, 164, 244, 248, 251, 328, 488, 496, 502, 656, 976, 1004, 1271, 1891, 2008, 2501, 2542, 3782, 4016, 5002, 5084, 7564, 7781, 10004, 10168, 10291, 15128, 15311, 15562, 20008, 20336, 20582, 30256, 30622, 31124, 40016, 41164, 61244, 62248, 77531, 82328, 122488, 124496, 155062, 164656, 244976, 310124, 319021, 474641, 620248, 627751, 638042, 949282, 1240496, 1255502, 1276084, 1898564, 2511004, 2552168, 3797128, 5022008, 5104336, 7594256, 10044016, 19460281, 38920562, 77841124, 155682248, 311364496]

約数ペア:

[(1, 311364496), (2, 155682248), (4, 77841124), (8, 38920562), (16, 19460281), (31, 10044016), (41, 7594256), (61, 5104336), (62, 5022008), (82, 3797128), (122, 2552168), (124, 2511004), (164, 1898564), (244, 1276084), (248, 1255502), (251, 1240496), (328, 949282), (488, 638042), (496, 627751), (502, 620248), (656, 474641), (976, 319021), (1004, 310124), (1271, 244976), (1891, 164656), (2008, 155062), (2501, 124496), (2542, 122488), (3782, 82328), (4016, 77531), (5002, 62248), (5084, 61244), (7564, 41164), (7781, 40016), (10004, 31124), (10168, 30622), (10291, 30256), (15128, 20582), (15311, 20336), (15562, 20008)]