225782680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 523908000

約数和(自身を除く): 298125320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 149, 172, 215, 298, 344, 430, 596, 745, 860, 881, 1192, 1490, 1720, 1762, 2980, 3524, 4405, 5960, 6407, 7048, 8810, 12814, 17620, 25628, 32035, 35240, 37883, 51256, 64070, 75766, 128140, 131269, 151532, 189415, 256280, 262538, 303064, 378830, 525076, 656345, 757660, 1050152, 1312690, 1515320, 2625380, 5250760, 5644567, 11289134, 22578268, 28222835, 45156536, 56445670, 112891340, 225782680]

約数ペア:

[(1, 225782680), (2, 112891340), (4, 56445670), (5, 45156536), (8, 28222835), (10, 22578268), (20, 11289134), (40, 5644567), (43, 5250760), (86, 2625380), (149, 1515320), (172, 1312690), (215, 1050152), (298, 757660), (344, 656345), (430, 525076), (596, 378830), (745, 303064), (860, 262538), (881, 256280), (1192, 189415), (1490, 151532), (1720, 131269), (1762, 128140), (2980, 75766), (3524, 64070), (4405, 51256), (5960, 37883), (6407, 35240), (7048, 32035), (8810, 25628), (12814, 17620)]