404329900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 995491840

約数和(自身を除く): 591161940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 79, 100, 124, 127, 130, 155, 158, 254, 260, 310, 316, 325, 395, 403, 508, 620, 635, 650, 775, 790, 806, 1027, 1270, 1300, 1550, 1580, 1612, 1651, 1975, 2015, 2054, 2449, 2540, 3100, 3175, 3302, 3937, 3950, 4030, 4108, 4898, 5135, 6350, 6604, 7874, 7900, 8060, 8255, 9796, 10033, 10075, 10270, 12245, 12700, 15748, 16510, 19685, 20066, 20150, 20540, 24490, 25675, 31837, 33020, 39370, 40132, 40300, 41275, 48980, 50165, 51181, 51350, 61225, 63674, 78740, 82550, 98425, 100330, 102362, 102700, 122450, 127348, 130429, 159185, 165100, 196850, 200660, 204724, 244900, 250825, 255905, 260858, 311023, 318370, 393700, 501650, 511810, 521716, 622046, 636740, 652145, 795925, 1003300, 1023620, 1244092, 1279525, 1304290, 1555115, 1591850, 2559050, 2608580, 3110230, 3183700, 3260725, 4043299, 5118100, 6220460, 6521450, 7775575, 8086598, 13042900, 15551150, 16173196, 20216495, 31102300, 40432990, 80865980, 101082475, 202164950, 404329900]

約数ペア:

[(1, 404329900), (2, 202164950), (4, 101082475), (5, 80865980), (10, 40432990), (13, 31102300), (20, 20216495), (25, 16173196), (26, 15551150), (31, 13042900), (50, 8086598), (52, 7775575), (62, 6521450), (65, 6220460), (79, 5118100), (100, 4043299), (124, 3260725), (127, 3183700), (130, 3110230), (155, 2608580), (158, 2559050), (254, 1591850), (260, 1555115), (310, 1304290), (316, 1279525), (325, 1244092), (395, 1023620), (403, 1003300), (508, 795925), (620, 652145), (635, 636740), (650, 622046), (775, 521716), (790, 511810), (806, 501650), (1027, 393700), (1270, 318370), (1300, 311023), (1550, 260858), (1580, 255905), (1612, 250825), (1651, 244900), (1975, 204724), (2015, 200660), (2054, 196850), (2449, 165100), (2540, 159185), (3100, 130429), (3175, 127348), (3302, 122450), (3937, 102700), (3950, 102362), (4030, 100330), (4108, 98425), (4898, 82550), (5135, 78740), (6350, 63674), (6604, 61225), (7874, 51350), (7900, 51181), (8060, 50165), (8255, 48980), (9796, 41275), (10033, 40300), (10075, 40132), (10270, 39370), (12245, 33020), (12700, 31837), (15748, 25675), (16510, 24490), (19685, 20540), (20066, 20150)]