1291230800

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:913

約数の個数: 120

約数和(自身を含む): 3234149400

約数和(自身を除く): 1942918600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 157, 200, 232, 290, 314, 400, 464, 580, 628, 709, 725, 785, 1160, 1256, 1418, 1450, 1570, 2320, 2512, 2836, 2900, 3140, 3545, 3925, 4553, 5672, 5800, 6280, 7090, 7850, 9106, 11344, 11600, 12560, 14180, 15700, 17725, 18212, 20561, 22765, 28360, 31400, 35450, 36424, 41122, 45530, 56720, 62800, 70900, 72848, 82244, 91060, 102805, 111313, 113825, 141800, 164488, 182120, 205610, 222626, 227650, 283600, 328976, 364240, 411220, 445252, 455300, 514025, 556565, 822440, 890504, 910600, 1028050, 1113130, 1644880, 1781008, 1821200, 2056100, 2226260, 2782825, 3228077, 4112200, 4452520, 5565650, 6456154, 8224400, 8905040, 11131300, 12912308, 16140385, 22262600, 25824616, 32280770, 44525200, 51649232, 64561540, 80701925, 129123080, 161403850, 258246160, 322807700, 645615400, 1291230800]

約数ペア:

[(1, 1291230800), (2, 645615400), (4, 322807700), (5, 258246160), (8, 161403850), (10, 129123080), (16, 80701925), (20, 64561540), (25, 51649232), (29, 44525200), (40, 32280770), (50, 25824616), (58, 22262600), (80, 16140385), (100, 12912308), (116, 11131300), (145, 8905040), (157, 8224400), (200, 6456154), (232, 5565650), (290, 4452520), (314, 4112200), (400, 3228077), (464, 2782825), (580, 2226260), (628, 2056100), (709, 1821200), (725, 1781008), (785, 1644880), (1160, 1113130), (1256, 1028050), (1418, 910600), (1450, 890504), (1570, 822440), (2320, 556565), (2512, 514025), (2836, 455300), (2900, 445252), (3140, 411220), (3545, 364240), (3925, 328976), (4553, 283600), (5672, 227650), (5800, 222626), (6280, 205610), (7090, 182120), (7850, 164488), (9106, 141800), (11344, 113825), (11600, 111313), (12560, 102805), (14180, 91060), (15700, 82244), (17725, 72848), (18212, 70900), (20561, 62800), (22765, 56720), (28360, 45530), (31400, 41122), (35450, 36424)]