128619400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 379975680

約数和(自身を除く): 251356280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 37, 40, 50, 52, 56, 65, 70, 74, 91, 100, 104, 130, 140, 148, 175, 182, 185, 191, 200, 259, 260, 280, 296, 325, 350, 364, 370, 382, 455, 481, 518, 520, 650, 700, 728, 740, 764, 910, 925, 955, 962, 1036, 1295, 1300, 1337, 1400, 1480, 1528, 1820, 1850, 1910, 1924, 2072, 2275, 2405, 2483, 2590, 2600, 2674, 3367, 3640, 3700, 3820, 3848, 4550, 4775, 4810, 4966, 5180, 5348, 6475, 6685, 6734, 7067, 7400, 7640, 9100, 9550, 9620, 9932, 10360, 10696, 12025, 12415, 12950, 13370, 13468, 14134, 16835, 17381, 18200, 19100, 19240, 19864, 24050, 24830, 25900, 26740, 26936, 28268, 33425, 33670, 34762, 35335, 38200, 48100, 49469, 49660, 51800, 53480, 56536, 62075, 66850, 67340, 69524, 70670, 84175, 86905, 91871, 96200, 98938, 99320, 124150, 133700, 134680, 139048, 141340, 168350, 173810, 176675, 183742, 197876, 247345, 248300, 267400, 282680, 336700, 347620, 353350, 367484, 395752, 434525, 459355, 494690, 496600, 643097, 673400, 695240, 706700, 734968, 869050, 918710, 989380, 1236725, 1286194, 1413400, 1738100, 1837420, 1978760, 2296775, 2473450, 2572388, 3215485, 3476200, 3674840, 4593550, 4946900, 5144776, 6430970, 9187100, 9893800, 12861940, 16077425, 18374200, 25723880, 32154850, 64309700, 128619400]

約数ペア:

[(1, 128619400), (2, 64309700), (4, 32154850), (5, 25723880), (7, 18374200), (8, 16077425), (10, 12861940), (13, 9893800), (14, 9187100), (20, 6430970), (25, 5144776), (26, 4946900), (28, 4593550), (35, 3674840), (37, 3476200), (40, 3215485), (50, 2572388), (52, 2473450), (56, 2296775), (65, 1978760), (70, 1837420), (74, 1738100), (91, 1413400), (100, 1286194), (104, 1236725), (130, 989380), (140, 918710), (148, 869050), (175, 734968), (182, 706700), (185, 695240), (191, 673400), (200, 643097), (259, 496600), (260, 494690), (280, 459355), (296, 434525), (325, 395752), (350, 367484), (364, 353350), (370, 347620), (382, 336700), (455, 282680), (481, 267400), (518, 248300), (520, 247345), (650, 197876), (700, 183742), (728, 176675), (740, 173810), (764, 168350), (910, 141340), (925, 139048), (955, 134680), (962, 133700), (1036, 124150), (1295, 99320), (1300, 98938), (1337, 96200), (1400, 91871), (1480, 86905), (1528, 84175), (1820, 70670), (1850, 69524), (1910, 67340), (1924, 66850), (2072, 62075), (2275, 56536), (2405, 53480), (2483, 51800), (2590, 49660), (2600, 49469), (2674, 48100), (3367, 38200), (3640, 35335), (3700, 34762), (3820, 33670), (3848, 33425), (4550, 28268), (4775, 26936), (4810, 26740), (4966, 25900), (5180, 24830), (5348, 24050), (6475, 19864), (6685, 19240), (6734, 19100), (7067, 18200), (7400, 17381), (7640, 16835), (9100, 14134), (9550, 13468), (9620, 13370), (9932, 12950), (10360, 12415), (10696, 12025)]