404584180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2887}}^1$

素因数の和:2934

約数の個数: 144

約数和(自身を含む): 1161530496

約数和(自身を除く): 756946316

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 490, 539, 572, 637, 715, 770, 910, 980, 1001, 1078, 1274, 1430, 1540, 1820, 2002, 2156, 2548, 2695, 2860, 2887, 3185, 4004, 5005, 5390, 5774, 6370, 7007, 10010, 10780, 11548, 12740, 14014, 14435, 20020, 20209, 28028, 28870, 31757, 35035, 37531, 40418, 57740, 63514, 70070, 75062, 80836, 101045, 127028, 140140, 141463, 150124, 158785, 187655, 202090, 222299, 262717, 282926, 317570, 375310, 404180, 412841, 444598, 525434, 565852, 635140, 707315, 750620, 825682, 889196, 1050868, 1111495, 1313585, 1414630, 1556093, 1651364, 1839019, 2064205, 2222990, 2627170, 2829260, 2889887, 3112186, 3678038, 4128410, 4445980, 5254340, 5779774, 6224372, 7356076, 7780465, 8256820, 9195095, 11559548, 14449435, 15560930, 18390190, 20229209, 28898870, 31121860, 36780380, 40458418, 57797740, 80916836, 101146045, 202292090, 404584180]

約数ペア:

[(1, 404584180), (2, 202292090), (4, 101146045), (5, 80916836), (7, 57797740), (10, 40458418), (11, 36780380), (13, 31121860), (14, 28898870), (20, 20229209), (22, 18390190), (26, 15560930), (28, 14449435), (35, 11559548), (44, 9195095), (49, 8256820), (52, 7780465), (55, 7356076), (65, 6224372), (70, 5779774), (77, 5254340), (91, 4445980), (98, 4128410), (110, 3678038), (130, 3112186), (140, 2889887), (143, 2829260), (154, 2627170), (182, 2222990), (196, 2064205), (220, 1839019), (245, 1651364), (260, 1556093), (286, 1414630), (308, 1313585), (364, 1111495), (385, 1050868), (455, 889196), (490, 825682), (539, 750620), (572, 707315), (637, 635140), (715, 565852), (770, 525434), (910, 444598), (980, 412841), (1001, 404180), (1078, 375310), (1274, 317570), (1430, 282926), (1540, 262717), (1820, 222299), (2002, 202090), (2156, 187655), (2548, 158785), (2695, 150124), (2860, 141463), (2887, 140140), (3185, 127028), (4004, 101045), (5005, 80836), (5390, 75062), (5774, 70070), (6370, 63514), (7007, 57740), (10010, 40418), (10780, 37531), (11548, 35035), (12740, 31757), (14014, 28870), (14435, 28028), (20020, 20209)]