2016996520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4999}}^1$

素因数の和:5159

約数の個数: 128

約数和(自身を含む): 5702400000

約数和(自身を除く): 3685403480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 131, 140, 154, 220, 262, 280, 308, 385, 440, 524, 616, 655, 770, 917, 1048, 1310, 1441, 1540, 1834, 2620, 2882, 3080, 3668, 4585, 4999, 5240, 5764, 7205, 7336, 9170, 9998, 10087, 11528, 14410, 18340, 19996, 20174, 24995, 28820, 34993, 36680, 39992, 40348, 49990, 50435, 54989, 57640, 69986, 80696, 99980, 100870, 109978, 139972, 174965, 199960, 201740, 219956, 274945, 279944, 349930, 384923, 403480, 439912, 549890, 654869, 699860, 769846, 1099780, 1309738, 1399720, 1539692, 1924615, 2199560, 2619476, 3079384, 3274345, 3849230, 4584083, 5238952, 6548690, 7203559, 7698460, 9168166, 13097380, 14407118, 15396920, 18336332, 22920415, 26194760, 28814236, 36017795, 36672664, 45840830, 50424913, 57628472, 72035590, 91681660, 100849826, 144071180, 183363320, 201699652, 252124565, 288142360, 403399304, 504249130, 1008498260, 2016996520]

約数ペア:

[(1, 2016996520), (2, 1008498260), (4, 504249130), (5, 403399304), (7, 288142360), (8, 252124565), (10, 201699652), (11, 183363320), (14, 144071180), (20, 100849826), (22, 91681660), (28, 72035590), (35, 57628472), (40, 50424913), (44, 45840830), (55, 36672664), (56, 36017795), (70, 28814236), (77, 26194760), (88, 22920415), (110, 18336332), (131, 15396920), (140, 14407118), (154, 13097380), (220, 9168166), (262, 7698460), (280, 7203559), (308, 6548690), (385, 5238952), (440, 4584083), (524, 3849230), (616, 3274345), (655, 3079384), (770, 2619476), (917, 2199560), (1048, 1924615), (1310, 1539692), (1441, 1399720), (1540, 1309738), (1834, 1099780), (2620, 769846), (2882, 699860), (3080, 654869), (3668, 549890), (4585, 439912), (4999, 403480), (5240, 384923), (5764, 349930), (7205, 279944), (7336, 274945), (9170, 219956), (9998, 201740), (10087, 199960), (11528, 174965), (14410, 139972), (18340, 109978), (19996, 100870), (20174, 99980), (24995, 80696), (28820, 69986), (34993, 57640), (36680, 54989), (39992, 50435), (40348, 49990)]