512222020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 1148716800

約数和(自身を除く): 636494780

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 73, 82, 86, 146, 164, 172, 199, 205, 215, 292, 365, 398, 410, 430, 730, 796, 820, 860, 995, 1460, 1763, 1990, 2993, 3139, 3526, 3980, 5986, 6278, 7052, 8159, 8557, 8815, 11972, 12556, 14527, 14965, 15695, 16318, 17114, 17630, 29054, 29930, 31390, 32636, 34228, 35260, 40795, 42785, 58108, 59860, 62780, 72635, 81590, 85570, 128699, 145270, 163180, 171140, 257398, 290540, 350837, 514796, 595607, 624661, 643495, 701674, 1191214, 1249322, 1286990, 1403348, 1754185, 2382428, 2498644, 2573980, 2978035, 3123305, 3508370, 5956070, 6246610, 7016740, 11912140, 12493220, 25611101, 51222202, 102444404, 128055505, 256111010, 512222020]

約数ペア:

[(1, 512222020), (2, 256111010), (4, 128055505), (5, 102444404), (10, 51222202), (20, 25611101), (41, 12493220), (43, 11912140), (73, 7016740), (82, 6246610), (86, 5956070), (146, 3508370), (164, 3123305), (172, 2978035), (199, 2573980), (205, 2498644), (215, 2382428), (292, 1754185), (365, 1403348), (398, 1286990), (410, 1249322), (430, 1191214), (730, 701674), (796, 643495), (820, 624661), (860, 595607), (995, 514796), (1460, 350837), (1763, 290540), (1990, 257398), (2993, 171140), (3139, 163180), (3526, 145270), (3980, 128699), (5986, 85570), (6278, 81590), (7052, 72635), (8159, 62780), (8557, 59860), (8815, 58108), (11972, 42785), (12556, 40795), (14527, 35260), (14965, 34228), (15695, 32636), (16318, 31390), (17114, 29930), (17630, 29054)]