291257200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:819

約数の個数: 120

約数和(自身を含む): 764187200

約数和(自身を除く): 472930000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 79, 80, 100, 104, 130, 158, 200, 208, 260, 316, 325, 395, 400, 520, 632, 650, 709, 790, 1027, 1040, 1264, 1300, 1418, 1580, 1975, 2054, 2600, 2836, 3160, 3545, 3950, 4108, 5135, 5200, 5672, 6320, 7090, 7900, 8216, 9217, 10270, 11344, 14180, 15800, 16432, 17725, 18434, 20540, 25675, 28360, 31600, 35450, 36868, 41080, 46085, 51350, 56011, 56720, 70900, 73736, 82160, 92170, 102700, 112022, 141800, 147472, 184340, 205400, 224044, 230425, 280055, 283600, 368680, 410800, 448088, 460850, 560110, 728143, 737360, 896176, 921700, 1120220, 1400275, 1456286, 1843400, 2240440, 2800550, 2912572, 3640715, 3686800, 4480880, 5601100, 5825144, 7281430, 11202200, 11650288, 14562860, 18203575, 22404400, 29125720, 36407150, 58251440, 72814300, 145628600, 291257200]

約数ペア:

[(1, 291257200), (2, 145628600), (4, 72814300), (5, 58251440), (8, 36407150), (10, 29125720), (13, 22404400), (16, 18203575), (20, 14562860), (25, 11650288), (26, 11202200), (40, 7281430), (50, 5825144), (52, 5601100), (65, 4480880), (79, 3686800), (80, 3640715), (100, 2912572), (104, 2800550), (130, 2240440), (158, 1843400), (200, 1456286), (208, 1400275), (260, 1120220), (316, 921700), (325, 896176), (395, 737360), (400, 728143), (520, 560110), (632, 460850), (650, 448088), (709, 410800), (790, 368680), (1027, 283600), (1040, 280055), (1264, 230425), (1300, 224044), (1418, 205400), (1580, 184340), (1975, 147472), (2054, 141800), (2600, 112022), (2836, 102700), (3160, 92170), (3545, 82160), (3950, 73736), (4108, 70900), (5135, 56720), (5200, 56011), (5672, 51350), (6320, 46085), (7090, 41080), (7900, 36868), (8216, 35450), (9217, 31600), (10270, 28360), (11344, 25675), (14180, 20540), (15800, 18434), (16432, 17725)]