2100079100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 5322284352

約数和(自身を除く): 3222205252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 157, 175, 194, 197, 314, 350, 388, 394, 485, 628, 679, 700, 785, 788, 970, 985, 1099, 1358, 1379, 1570, 1940, 1970, 2198, 2425, 2716, 2758, 3140, 3395, 3925, 3940, 4396, 4850, 4925, 5495, 5516, 6790, 6895, 7850, 9700, 9850, 10990, 13580, 13790, 15229, 15700, 16975, 19109, 19700, 21980, 27475, 27580, 30458, 30929, 33950, 34475, 38218, 54950, 60916, 61858, 67900, 68950, 76145, 76436, 95545, 106603, 109900, 123716, 133763, 137900, 152290, 154645, 191090, 213206, 216503, 267526, 304580, 309290, 380725, 382180, 426412, 433006, 477725, 533015, 535052, 618580, 668815, 761450, 773225, 866012, 955450, 1066030, 1082515, 1337630, 1522900, 1546450, 1910900, 2132060, 2165030, 2665075, 2675260, 3000113, 3092900, 3344075, 4330060, 5330150, 5412575, 6000226, 6688150, 10660300, 10825150, 12000452, 13376300, 15000565, 21000791, 21650300, 30001130, 42001582, 60002260, 75002825, 84003164, 105003955, 150005650, 210007910, 300011300, 420015820, 525019775, 1050039550, 2100079100]

約数ペア:

[(1, 2100079100), (2, 1050039550), (4, 525019775), (5, 420015820), (7, 300011300), (10, 210007910), (14, 150005650), (20, 105003955), (25, 84003164), (28, 75002825), (35, 60002260), (50, 42001582), (70, 30001130), (97, 21650300), (100, 21000791), (140, 15000565), (157, 13376300), (175, 12000452), (194, 10825150), (197, 10660300), (314, 6688150), (350, 6000226), (388, 5412575), (394, 5330150), (485, 4330060), (628, 3344075), (679, 3092900), (700, 3000113), (785, 2675260), (788, 2665075), (970, 2165030), (985, 2132060), (1099, 1910900), (1358, 1546450), (1379, 1522900), (1570, 1337630), (1940, 1082515), (1970, 1066030), (2198, 955450), (2425, 866012), (2716, 773225), (2758, 761450), (3140, 668815), (3395, 618580), (3925, 535052), (3940, 533015), (4396, 477725), (4850, 433006), (4925, 426412), (5495, 382180), (5516, 380725), (6790, 309290), (6895, 304580), (7850, 267526), (9700, 216503), (9850, 213206), (10990, 191090), (13580, 154645), (13790, 152290), (15229, 137900), (15700, 133763), (16975, 123716), (19109, 109900), (19700, 106603), (21980, 95545), (27475, 76436), (27580, 76145), (30458, 68950), (30929, 67900), (33950, 61858), (34475, 60916), (38218, 54950)]