218560850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 435472128

約数和(自身を除く): 216911278

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 62, 74, 103, 155, 185, 206, 310, 370, 515, 775, 925, 1030, 1147, 1369, 1550, 1850, 2294, 2575, 2738, 3193, 3811, 5150, 5735, 6386, 6845, 7622, 11470, 13690, 15965, 19055, 28675, 31930, 34225, 38110, 42439, 57350, 68450, 79825, 84878, 95275, 118141, 141007, 159650, 190550, 212195, 236282, 282014, 424390, 590705, 705035, 1060975, 1181410, 1410070, 2121950, 2953525, 3525175, 4371217, 5907050, 7050350, 8742434, 21856085, 43712170, 109280425, 218560850]

約数ペア:

[(1, 218560850), (2, 109280425), (5, 43712170), (10, 21856085), (25, 8742434), (31, 7050350), (37, 5907050), (50, 4371217), (62, 3525175), (74, 2953525), (103, 2121950), (155, 1410070), (185, 1181410), (206, 1060975), (310, 705035), (370, 590705), (515, 424390), (775, 282014), (925, 236282), (1030, 212195), (1147, 190550), (1369, 159650), (1550, 141007), (1850, 118141), (2294, 95275), (2575, 84878), (2738, 79825), (3193, 68450), (3811, 57350), (5150, 42439), (5735, 38110), (6386, 34225), (6845, 31930), (7622, 28675), (11470, 19055), (13690, 15965)]