217400280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{983}}^1$

素因数の和:1113

約数の個数: 128

約数和(自身を含む): 694310400

約数和(自身を除く): 476910120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 97, 114, 120, 152, 190, 194, 228, 285, 291, 380, 388, 456, 485, 570, 582, 760, 776, 970, 983, 1140, 1164, 1455, 1843, 1940, 1966, 2280, 2328, 2910, 2949, 3686, 3880, 3932, 4915, 5529, 5820, 5898, 7372, 7864, 9215, 9830, 11058, 11640, 11796, 14744, 14745, 18430, 18677, 19660, 22116, 23592, 27645, 29490, 36860, 37354, 39320, 44232, 55290, 56031, 58980, 73720, 74708, 93385, 95351, 110580, 112062, 117960, 149416, 186770, 190702, 221160, 224124, 280155, 286053, 373540, 381404, 448248, 476755, 560310, 572106, 747080, 762808, 953510, 1120620, 1144212, 1430265, 1811669, 1907020, 2241240, 2288424, 2860530, 3623338, 3814040, 5435007, 5721060, 7246676, 9058345, 10870014, 11442120, 14493352, 18116690, 21740028, 27175035, 36233380, 43480056, 54350070, 72466760, 108700140, 217400280]

約数ペア:

[(1, 217400280), (2, 108700140), (3, 72466760), (4, 54350070), (5, 43480056), (6, 36233380), (8, 27175035), (10, 21740028), (12, 18116690), (15, 14493352), (19, 11442120), (20, 10870014), (24, 9058345), (30, 7246676), (38, 5721060), (40, 5435007), (57, 3814040), (60, 3623338), (76, 2860530), (95, 2288424), (97, 2241240), (114, 1907020), (120, 1811669), (152, 1430265), (190, 1144212), (194, 1120620), (228, 953510), (285, 762808), (291, 747080), (380, 572106), (388, 560310), (456, 476755), (485, 448248), (570, 381404), (582, 373540), (760, 286053), (776, 280155), (970, 224124), (983, 221160), (1140, 190702), (1164, 186770), (1455, 149416), (1843, 117960), (1940, 112062), (1966, 110580), (2280, 95351), (2328, 93385), (2910, 74708), (2949, 73720), (3686, 58980), (3880, 56031), (3932, 55290), (4915, 44232), (5529, 39320), (5820, 37354), (5898, 36860), (7372, 29490), (7864, 27645), (9215, 23592), (9830, 22116), (11058, 19660), (11640, 18677), (11796, 18430), (14744, 14745)]