42105700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:702

約数の個数: 108

約数和(自身を含む): 114635892

約数和(自身を除く): 72530192

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 130, 140, 175, 182, 196, 245, 260, 325, 350, 364, 455, 490, 637, 650, 661, 700, 910, 980, 1225, 1274, 1300, 1322, 1820, 2275, 2450, 2548, 2644, 3185, 3305, 4550, 4627, 4900, 6370, 6610, 8593, 9100, 9254, 12740, 13220, 15925, 16525, 17186, 18508, 23135, 31850, 32389, 33050, 34372, 42965, 46270, 60151, 63700, 64778, 66100, 85930, 92540, 115675, 120302, 129556, 161945, 171860, 214825, 231350, 240604, 300755, 323890, 421057, 429650, 462700, 601510, 647780, 809725, 842114, 859300, 1203020, 1503775, 1619450, 1684228, 2105285, 3007550, 3238900, 4210570, 6015100, 8421140, 10526425, 21052850, 42105700]

約数ペア:

[(1, 42105700), (2, 21052850), (4, 10526425), (5, 8421140), (7, 6015100), (10, 4210570), (13, 3238900), (14, 3007550), (20, 2105285), (25, 1684228), (26, 1619450), (28, 1503775), (35, 1203020), (49, 859300), (50, 842114), (52, 809725), (65, 647780), (70, 601510), (91, 462700), (98, 429650), (100, 421057), (130, 323890), (140, 300755), (175, 240604), (182, 231350), (196, 214825), (245, 171860), (260, 161945), (325, 129556), (350, 120302), (364, 115675), (455, 92540), (490, 85930), (637, 66100), (650, 64778), (661, 63700), (700, 60151), (910, 46270), (980, 42965), (1225, 34372), (1274, 33050), (1300, 32389), (1322, 31850), (1820, 23135), (2275, 18508), (2450, 17186), (2548, 16525), (2644, 15925), (3185, 13220), (3305, 12740), (4550, 9254), (4627, 9100), (4900, 8593), (6370, 6610)]