200811800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 561481920

約数和(自身を除く): 360670120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 98, 100, 124, 140, 155, 175, 196, 200, 217, 245, 248, 280, 310, 350, 392, 434, 490, 620, 661, 700, 775, 868, 980, 1085, 1225, 1240, 1322, 1400, 1519, 1550, 1736, 1960, 2170, 2450, 2644, 3038, 3100, 3305, 4340, 4627, 4900, 5288, 5425, 6076, 6200, 6610, 7595, 8680, 9254, 9800, 10850, 12152, 13220, 15190, 16525, 18508, 20491, 21700, 23135, 26440, 30380, 32389, 33050, 37016, 37975, 40982, 43400, 46270, 60760, 64778, 66100, 75950, 81964, 92540, 102455, 115675, 129556, 132200, 143437, 151900, 161945, 163928, 185080, 204910, 231350, 259112, 286874, 303800, 323890, 409820, 462700, 512275, 573748, 647780, 717185, 809725, 819640, 925400, 1004059, 1024550, 1147496, 1295560, 1434370, 1619450, 2008118, 2049100, 2868740, 3238900, 3585925, 4016236, 4098200, 5020295, 5737480, 6477800, 7171850, 8032472, 10040590, 14343700, 20081180, 25101475, 28687400, 40162360, 50202950, 100405900, 200811800]

約数ペア:

[(1, 200811800), (2, 100405900), (4, 50202950), (5, 40162360), (7, 28687400), (8, 25101475), (10, 20081180), (14, 14343700), (20, 10040590), (25, 8032472), (28, 7171850), (31, 6477800), (35, 5737480), (40, 5020295), (49, 4098200), (50, 4016236), (56, 3585925), (62, 3238900), (70, 2868740), (98, 2049100), (100, 2008118), (124, 1619450), (140, 1434370), (155, 1295560), (175, 1147496), (196, 1024550), (200, 1004059), (217, 925400), (245, 819640), (248, 809725), (280, 717185), (310, 647780), (350, 573748), (392, 512275), (434, 462700), (490, 409820), (620, 323890), (661, 303800), (700, 286874), (775, 259112), (868, 231350), (980, 204910), (1085, 185080), (1225, 163928), (1240, 161945), (1322, 151900), (1400, 143437), (1519, 132200), (1550, 129556), (1736, 115675), (1960, 102455), (2170, 92540), (2450, 81964), (2644, 75950), (3038, 66100), (3100, 64778), (3305, 60760), (4340, 46270), (4627, 43400), (4900, 40982), (5288, 37975), (5425, 37016), (6076, 33050), (6200, 32389), (6610, 30380), (7595, 26440), (8680, 23135), (9254, 21700), (9800, 20491), (10850, 18508), (12152, 16525), (13220, 15190)]