129004300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1655

約数の個数: 72

約数和(自身を含む): 301716800

約数和(自身を除く): 172712500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 817, 860, 950, 1075, 1579, 1634, 1900, 2150, 3158, 3268, 4085, 4300, 6316, 7895, 8170, 15790, 16340, 20425, 30001, 31580, 39475, 40850, 60002, 67897, 78950, 81700, 120004, 135794, 150005, 157900, 271588, 300010, 339485, 600020, 678970, 750025, 1290043, 1357940, 1500050, 1697425, 2580086, 3000100, 3394850, 5160172, 6450215, 6789700, 12900430, 25800860, 32251075, 64502150, 129004300]

約数ペア:

[(1, 129004300), (2, 64502150), (4, 32251075), (5, 25800860), (10, 12900430), (19, 6789700), (20, 6450215), (25, 5160172), (38, 3394850), (43, 3000100), (50, 2580086), (76, 1697425), (86, 1500050), (95, 1357940), (100, 1290043), (172, 750025), (190, 678970), (215, 600020), (380, 339485), (430, 300010), (475, 271588), (817, 157900), (860, 150005), (950, 135794), (1075, 120004), (1579, 81700), (1634, 78950), (1900, 67897), (2150, 60002), (3158, 40850), (3268, 39475), (4085, 31580), (4300, 30001), (6316, 20425), (7895, 16340), (8170, 15790)]