210002500

素因数分解:

$2^2\times 5^4\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:694

約数の個数: 60

約数和(自身を含む): 462901824

約数和(自身を除く): 252899324

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 167, 250, 334, 500, 503, 625, 668, 835, 1006, 1250, 1670, 2012, 2500, 2515, 3340, 4175, 5030, 8350, 10060, 12575, 16700, 20875, 25150, 41750, 50300, 62875, 83500, 84001, 104375, 125750, 168002, 208750, 251500, 314375, 336004, 417500, 420005, 628750, 840010, 1257500, 1680020, 2100025, 4200050, 8400100, 10500125, 21000250, 42000500, 52500625, 105001250, 210002500]

約数ペア:

[(1, 210002500), (2, 105001250), (4, 52500625), (5, 42000500), (10, 21000250), (20, 10500125), (25, 8400100), (50, 4200050), (100, 2100025), (125, 1680020), (167, 1257500), (250, 840010), (334, 628750), (500, 420005), (503, 417500), (625, 336004), (668, 314375), (835, 251500), (1006, 208750), (1250, 168002), (1670, 125750), (2012, 104375), (2500, 84001), (2515, 83500), (3340, 62875), (4175, 50300), (5030, 41750), (8350, 25150), (10060, 20875), (12575, 16700)]