313341040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 743702400

約数和(自身を除く): 430361360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 149, 194, 271, 298, 388, 485, 542, 596, 745, 776, 970, 1084, 1192, 1355, 1490, 1552, 1940, 2168, 2384, 2710, 2980, 3880, 4336, 5420, 5960, 7760, 10840, 11920, 14453, 21680, 26287, 28906, 40379, 52574, 57812, 72265, 80758, 105148, 115624, 131435, 144530, 161516, 201895, 210296, 231248, 262870, 289060, 323032, 403790, 420592, 525740, 578120, 646064, 807580, 1051480, 1156240, 1615160, 2102960, 3230320, 3916763, 7833526, 15667052, 19583815, 31334104, 39167630, 62668208, 78335260, 156670520, 313341040]

約数ペア:

[(1, 313341040), (2, 156670520), (4, 78335260), (5, 62668208), (8, 39167630), (10, 31334104), (16, 19583815), (20, 15667052), (40, 7833526), (80, 3916763), (97, 3230320), (149, 2102960), (194, 1615160), (271, 1156240), (298, 1051480), (388, 807580), (485, 646064), (542, 578120), (596, 525740), (745, 420592), (776, 403790), (970, 323032), (1084, 289060), (1192, 262870), (1355, 231248), (1490, 210296), (1552, 201895), (1940, 161516), (2168, 144530), (2384, 131435), (2710, 115624), (2980, 105148), (3880, 80758), (4336, 72265), (5420, 57812), (5960, 52574), (7760, 40379), (10840, 28906), (11920, 26287), (14453, 21680)]