304314520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1291}}^1$

素因数の和:1456

約数の個数: 64

約数和(自身を含む): 703261440

約数和(自身を除く): 398946920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 284, 332, 355, 415, 568, 664, 710, 830, 1291, 1420, 1660, 2582, 2840, 3320, 5164, 5893, 6455, 10328, 11786, 12910, 23572, 25820, 29465, 47144, 51640, 58930, 91661, 107153, 117860, 183322, 214306, 235720, 366644, 428612, 458305, 535765, 733288, 857224, 916610, 1071530, 1833220, 2143060, 3666440, 4286120, 7607863, 15215726, 30431452, 38039315, 60862904, 76078630, 152157260, 304314520]

約数ペア:

[(1, 304314520), (2, 152157260), (4, 76078630), (5, 60862904), (8, 38039315), (10, 30431452), (20, 15215726), (40, 7607863), (71, 4286120), (83, 3666440), (142, 2143060), (166, 1833220), (284, 1071530), (332, 916610), (355, 857224), (415, 733288), (568, 535765), (664, 458305), (710, 428612), (830, 366644), (1291, 235720), (1420, 214306), (1660, 183322), (2582, 117860), (2840, 107153), (3320, 91661), (5164, 58930), (5893, 51640), (6455, 47144), (10328, 29465), (11786, 25820), (12910, 23572)]