81601100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 207153408

約数和(自身を除く): 125552308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 1075, 1204, 1505, 2150, 2711, 3010, 4300, 5422, 6020, 7525, 10844, 13555, 15050, 18977, 27110, 30100, 37954, 54220, 67775, 75908, 94885, 116573, 135550, 189770, 233146, 271100, 379540, 466292, 474425, 582865, 816011, 948850, 1165730, 1632022, 1897700, 2331460, 2914325, 3264044, 4080055, 5828650, 8160110, 11657300, 16320220, 20400275, 40800550, 81601100]

約数ペア:

[(1, 81601100), (2, 40800550), (4, 20400275), (5, 16320220), (7, 11657300), (10, 8160110), (14, 5828650), (20, 4080055), (25, 3264044), (28, 2914325), (35, 2331460), (43, 1897700), (50, 1632022), (70, 1165730), (86, 948850), (100, 816011), (140, 582865), (172, 474425), (175, 466292), (215, 379540), (301, 271100), (350, 233146), (430, 189770), (602, 135550), (700, 116573), (860, 94885), (1075, 75908), (1204, 67775), (1505, 54220), (2150, 37954), (2711, 30100), (3010, 27110), (4300, 18977), (5422, 15050), (6020, 13555), (7525, 10844)]