2017906840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:1013

約数の個数: 128

約数和(自身を含む): 4938433920

約数和(自身を除く): 2920527080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 61, 82, 92, 115, 122, 164, 184, 205, 230, 244, 305, 328, 410, 460, 488, 610, 820, 877, 920, 943, 1220, 1403, 1640, 1754, 1886, 2440, 2501, 2806, 3508, 3772, 4385, 4715, 5002, 5612, 7015, 7016, 7544, 8770, 9430, 10004, 11224, 12505, 14030, 17540, 18860, 20008, 20171, 25010, 28060, 35080, 35957, 37720, 40342, 50020, 53497, 56120, 57523, 71914, 80684, 100040, 100855, 106994, 115046, 143828, 161368, 179785, 201710, 213988, 230092, 267485, 287615, 287656, 359570, 403420, 427976, 460184, 534970, 575230, 719140, 806840, 827011, 1069940, 1150460, 1230431, 1438280, 1654022, 2139880, 2193377, 2300920, 2460862, 3308044, 4135055, 4386754, 4921724, 6152155, 6616088, 8270110, 8773508, 9843448, 10966885, 12304310, 16540220, 17547016, 21933770, 24608620, 33080440, 43867540, 49217240, 50447671, 87735080, 100895342, 201790684, 252238355, 403581368, 504476710, 1008953420, 2017906840]

約数ペア:

[(1, 2017906840), (2, 1008953420), (4, 504476710), (5, 403581368), (8, 252238355), (10, 201790684), (20, 100895342), (23, 87735080), (40, 50447671), (41, 49217240), (46, 43867540), (61, 33080440), (82, 24608620), (92, 21933770), (115, 17547016), (122, 16540220), (164, 12304310), (184, 10966885), (205, 9843448), (230, 8773508), (244, 8270110), (305, 6616088), (328, 6152155), (410, 4921724), (460, 4386754), (488, 4135055), (610, 3308044), (820, 2460862), (877, 2300920), (920, 2193377), (943, 2139880), (1220, 1654022), (1403, 1438280), (1640, 1230431), (1754, 1150460), (1886, 1069940), (2440, 827011), (2501, 806840), (2806, 719140), (3508, 575230), (3772, 534970), (4385, 460184), (4715, 427976), (5002, 403420), (5612, 359570), (7015, 287656), (7016, 287615), (7544, 267485), (8770, 230092), (9430, 213988), (10004, 201710), (11224, 179785), (12505, 161368), (14030, 143828), (17540, 115046), (18860, 106994), (20008, 100855), (20171, 100040), (25010, 80684), (28060, 71914), (35080, 57523), (35957, 56120), (37720, 53497), (40342, 50020)]