78215900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3853}}^1$

素因数の和:3903

約数の個数: 72

約数和(自身を含む): 200716320

約数和(自身を除く): 122500420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 2030, 2900, 3853, 4060, 5075, 7706, 10150, 15412, 19265, 20300, 26971, 38530, 53942, 77060, 96325, 107884, 111737, 134855, 192650, 223474, 269710, 385300, 446948, 539420, 558685, 674275, 782159, 1117370, 1348550, 1564318, 2234740, 2697100, 2793425, 3128636, 3910795, 5586850, 7821590, 11173700, 15643180, 19553975, 39107950, 78215900]

約数ペア:

[(1, 78215900), (2, 39107950), (4, 19553975), (5, 15643180), (7, 11173700), (10, 7821590), (14, 5586850), (20, 3910795), (25, 3128636), (28, 2793425), (29, 2697100), (35, 2234740), (50, 1564318), (58, 1348550), (70, 1117370), (100, 782159), (116, 674275), (140, 558685), (145, 539420), (175, 446948), (203, 385300), (290, 269710), (350, 223474), (406, 192650), (580, 134855), (700, 111737), (725, 107884), (812, 96325), (1015, 77060), (1450, 53942), (2030, 38530), (2900, 26971), (3853, 20300), (4060, 19265), (5075, 15412), (7706, 10150)]