423605900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 108

約数和(自身を含む): 985874400

約数和(自身を除く): 562268500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 43, 50, 58, 79, 86, 100, 116, 145, 158, 172, 215, 290, 316, 395, 430, 580, 725, 790, 860, 1075, 1247, 1450, 1580, 1849, 1975, 2150, 2291, 2494, 2900, 3397, 3698, 3950, 4300, 4582, 4988, 6235, 6794, 7396, 7900, 9164, 9245, 11455, 12470, 13588, 16985, 18490, 22910, 24940, 31175, 33970, 36980, 45820, 46225, 53621, 57275, 62350, 67940, 84925, 92450, 98513, 107242, 114550, 124700, 146071, 169850, 184900, 197026, 214484, 229100, 268105, 292142, 339700, 394052, 492565, 536210, 584284, 730355, 985130, 1072420, 1340525, 1460710, 1970260, 2462825, 2681050, 2921420, 3651775, 4236059, 4925650, 5362100, 7303550, 8472118, 9851300, 14607100, 16944236, 21180295, 42360590, 84721180, 105901475, 211802950, 423605900]

約数ペア:

[(1, 423605900), (2, 211802950), (4, 105901475), (5, 84721180), (10, 42360590), (20, 21180295), (25, 16944236), (29, 14607100), (43, 9851300), (50, 8472118), (58, 7303550), (79, 5362100), (86, 4925650), (100, 4236059), (116, 3651775), (145, 2921420), (158, 2681050), (172, 2462825), (215, 1970260), (290, 1460710), (316, 1340525), (395, 1072420), (430, 985130), (580, 730355), (725, 584284), (790, 536210), (860, 492565), (1075, 394052), (1247, 339700), (1450, 292142), (1580, 268105), (1849, 229100), (1975, 214484), (2150, 197026), (2291, 184900), (2494, 169850), (2900, 146071), (3397, 124700), (3698, 114550), (3950, 107242), (4300, 98513), (4582, 92450), (4988, 84925), (6235, 67940), (6794, 62350), (7396, 57275), (7900, 53621), (9164, 46225), (9245, 45820), (11455, 36980), (12470, 33970), (13588, 31175), (16985, 24940), (18490, 22910)]