28957950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 92270880

約数和(自身を除く): 63312930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 29, 30, 35, 42, 45, 50, 58, 63, 70, 75, 87, 90, 105, 126, 145, 150, 174, 175, 203, 210, 225, 261, 290, 315, 317, 350, 406, 435, 450, 522, 525, 609, 630, 634, 725, 870, 951, 1015, 1050, 1218, 1305, 1450, 1575, 1585, 1827, 1902, 2030, 2175, 2219, 2610, 2853, 3045, 3150, 3170, 3654, 4350, 4438, 4755, 5075, 5706, 6090, 6525, 6657, 7925, 9135, 9193, 9510, 10150, 11095, 13050, 13314, 14265, 15225, 15850, 18270, 18386, 19971, 22190, 23775, 27579, 28530, 30450, 33285, 39942, 45675, 45965, 47550, 55158, 55475, 64351, 66570, 71325, 82737, 91350, 91930, 99855, 110950, 128702, 137895, 142650, 165474, 166425, 193053, 199710, 229825, 275790, 321755, 332850, 386106, 413685, 459650, 499275, 579159, 643510, 689475, 827370, 965265, 998550, 1158318, 1378950, 1608775, 1930530, 2068425, 2895795, 3217550, 4136850, 4826325, 5791590, 9652650, 14478975, 28957950]

約数ペア:

[(1, 28957950), (2, 14478975), (3, 9652650), (5, 5791590), (6, 4826325), (7, 4136850), (9, 3217550), (10, 2895795), (14, 2068425), (15, 1930530), (18, 1608775), (21, 1378950), (25, 1158318), (29, 998550), (30, 965265), (35, 827370), (42, 689475), (45, 643510), (50, 579159), (58, 499275), (63, 459650), (70, 413685), (75, 386106), (87, 332850), (90, 321755), (105, 275790), (126, 229825), (145, 199710), (150, 193053), (174, 166425), (175, 165474), (203, 142650), (210, 137895), (225, 128702), (261, 110950), (290, 99855), (315, 91930), (317, 91350), (350, 82737), (406, 71325), (435, 66570), (450, 64351), (522, 55475), (525, 55158), (609, 47550), (630, 45965), (634, 45675), (725, 39942), (870, 33285), (951, 30450), (1015, 28530), (1050, 27579), (1218, 23775), (1305, 22190), (1450, 19971), (1575, 18386), (1585, 18270), (1827, 15850), (1902, 15225), (2030, 14265), (2175, 13314), (2219, 13050), (2610, 11095), (2853, 10150), (3045, 9510), (3150, 9193), (3170, 9135), (3654, 7925), (4350, 6657), (4438, 6525), (4755, 6090), (5075, 5706)]