1909017950

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 4173096000

約数和(自身を除く): 2264078050

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 157, 175, 245, 314, 343, 350, 490, 686, 709, 785, 1099, 1225, 1418, 1570, 1715, 2198, 2450, 3430, 3545, 3925, 4963, 5495, 7090, 7693, 7850, 8575, 9926, 10990, 15386, 17150, 17725, 24815, 27475, 34741, 35450, 38465, 49630, 53851, 54950, 69482, 76930, 107702, 111313, 124075, 173705, 192325, 222626, 243187, 248150, 269255, 347410, 384650, 486374, 538510, 556565, 779191, 868525, 1113130, 1215935, 1346275, 1558382, 1737050, 2431870, 2692550, 2782825, 3895955, 5454337, 5565650, 6079675, 7791910, 10908674, 12159350, 19479775, 27271685, 38180359, 38959550, 54543370, 76360718, 136358425, 190901795, 272716850, 381803590, 954508975, 1909017950]

約数ペア:

[(1, 1909017950), (2, 954508975), (5, 381803590), (7, 272716850), (10, 190901795), (14, 136358425), (25, 76360718), (35, 54543370), (49, 38959550), (50, 38180359), (70, 27271685), (98, 19479775), (157, 12159350), (175, 10908674), (245, 7791910), (314, 6079675), (343, 5565650), (350, 5454337), (490, 3895955), (686, 2782825), (709, 2692550), (785, 2431870), (1099, 1737050), (1225, 1558382), (1418, 1346275), (1570, 1215935), (1715, 1113130), (2198, 868525), (2450, 779191), (3430, 556565), (3545, 538510), (3925, 486374), (4963, 384650), (5495, 347410), (7090, 269255), (7693, 248150), (7850, 243187), (8575, 222626), (9926, 192325), (10990, 173705), (15386, 124075), (17150, 111313), (17725, 107702), (24815, 76930), (27475, 69482), (34741, 54950), (35450, 53851), (38465, 49630)]