233519240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 542108160

約数和(自身を除く): 308588920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 274, 344, 430, 548, 685, 860, 991, 1096, 1370, 1720, 1982, 2740, 3964, 4955, 5480, 5891, 7928, 9910, 11782, 19820, 23564, 29455, 39640, 42613, 47128, 58910, 85226, 117820, 135767, 170452, 213065, 235640, 271534, 340904, 426130, 543068, 678835, 852260, 1086136, 1357670, 1704520, 2715340, 5430680, 5837981, 11675962, 23351924, 29189905, 46703848, 58379810, 116759620, 233519240]

約数ペア:

[(1, 233519240), (2, 116759620), (4, 58379810), (5, 46703848), (8, 29189905), (10, 23351924), (20, 11675962), (40, 5837981), (43, 5430680), (86, 2715340), (137, 1704520), (172, 1357670), (215, 1086136), (274, 852260), (344, 678835), (430, 543068), (548, 426130), (685, 340904), (860, 271534), (991, 235640), (1096, 213065), (1370, 170452), (1720, 135767), (1982, 117820), (2740, 85226), (3964, 58910), (4955, 47128), (5480, 42613), (5891, 39640), (7928, 29455), (9910, 23564), (11782, 19820)]