84211400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 245648340

約数和(自身を除く): 161436940

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 175, 182, 196, 200, 245, 260, 280, 325, 350, 364, 392, 455, 490, 520, 637, 650, 661, 700, 728, 910, 980, 1225, 1274, 1300, 1322, 1400, 1820, 1960, 2275, 2450, 2548, 2600, 2644, 3185, 3305, 3640, 4550, 4627, 4900, 5096, 5288, 6370, 6610, 8593, 9100, 9254, 9800, 12740, 13220, 15925, 16525, 17186, 18200, 18508, 23135, 25480, 26440, 31850, 32389, 33050, 34372, 37016, 42965, 46270, 60151, 63700, 64778, 66100, 68744, 85930, 92540, 115675, 120302, 127400, 129556, 132200, 161945, 171860, 185080, 214825, 231350, 240604, 259112, 300755, 323890, 343720, 421057, 429650, 462700, 481208, 601510, 647780, 809725, 842114, 859300, 925400, 1203020, 1295560, 1503775, 1619450, 1684228, 1718600, 2105285, 2406040, 3007550, 3238900, 3368456, 4210570, 6015100, 6477800, 8421140, 10526425, 12030200, 16842280, 21052850, 42105700, 84211400]

約数ペア:

[(1, 84211400), (2, 42105700), (4, 21052850), (5, 16842280), (7, 12030200), (8, 10526425), (10, 8421140), (13, 6477800), (14, 6015100), (20, 4210570), (25, 3368456), (26, 3238900), (28, 3007550), (35, 2406040), (40, 2105285), (49, 1718600), (50, 1684228), (52, 1619450), (56, 1503775), (65, 1295560), (70, 1203020), (91, 925400), (98, 859300), (100, 842114), (104, 809725), (130, 647780), (140, 601510), (175, 481208), (182, 462700), (196, 429650), (200, 421057), (245, 343720), (260, 323890), (280, 300755), (325, 259112), (350, 240604), (364, 231350), (392, 214825), (455, 185080), (490, 171860), (520, 161945), (637, 132200), (650, 129556), (661, 127400), (700, 120302), (728, 115675), (910, 92540), (980, 85930), (1225, 68744), (1274, 66100), (1300, 64778), (1322, 63700), (1400, 60151), (1820, 46270), (1960, 42965), (2275, 37016), (2450, 34372), (2548, 33050), (2600, 32389), (2644, 31850), (3185, 26440), (3305, 25480), (3640, 23135), (4550, 18508), (4627, 18200), (4900, 17186), (5096, 16525), (5288, 15925), (6370, 13220), (6610, 12740), (8593, 9800), (9100, 9254)]