2019750500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 4528742400

約数和(自身を除く): 2508991900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 199, 212, 250, 265, 383, 398, 500, 530, 766, 796, 995, 1060, 1325, 1532, 1915, 1990, 2650, 3830, 3980, 4975, 5300, 6625, 7660, 9575, 9950, 10547, 13250, 19150, 19900, 20299, 21094, 24875, 26500, 38300, 40598, 42188, 47875, 49750, 52735, 76217, 81196, 95750, 99500, 101495, 105470, 152434, 191500, 202990, 210940, 263675, 304868, 381085, 405980, 507475, 527350, 762170, 1014950, 1054700, 1318375, 1524340, 1905425, 2029900, 2537375, 2636750, 3810850, 4039501, 5074750, 5273500, 7621700, 8079002, 9527125, 10149500, 16158004, 19054250, 20197505, 38108500, 40395010, 80790020, 100987525, 201975050, 403950100, 504937625, 1009875250, 2019750500]

約数ペア:

[(1, 2019750500), (2, 1009875250), (4, 504937625), (5, 403950100), (10, 201975050), (20, 100987525), (25, 80790020), (50, 40395010), (53, 38108500), (100, 20197505), (106, 19054250), (125, 16158004), (199, 10149500), (212, 9527125), (250, 8079002), (265, 7621700), (383, 5273500), (398, 5074750), (500, 4039501), (530, 3810850), (766, 2636750), (796, 2537375), (995, 2029900), (1060, 1905425), (1325, 1524340), (1532, 1318375), (1915, 1054700), (1990, 1014950), (2650, 762170), (3830, 527350), (3980, 507475), (4975, 405980), (5300, 381085), (6625, 304868), (7660, 263675), (9575, 210940), (9950, 202990), (10547, 191500), (13250, 152434), (19150, 105470), (19900, 101495), (20299, 99500), (21094, 95750), (24875, 81196), (26500, 76217), (38300, 52735), (40598, 49750), (42188, 47875)]