30031000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 71604000

約数和(自身を除く): 41573000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 200, 236, 250, 295, 472, 500, 509, 590, 1000, 1018, 1180, 1475, 2036, 2360, 2545, 2950, 4072, 5090, 5900, 7375, 10180, 11800, 12725, 14750, 20360, 25450, 29500, 30031, 50900, 59000, 60062, 63625, 101800, 120124, 127250, 150155, 240248, 254500, 300310, 509000, 600620, 750775, 1201240, 1501550, 3003100, 3753875, 6006200, 7507750, 15015500, 30031000]

約数ペア:

[(1, 30031000), (2, 15015500), (4, 7507750), (5, 6006200), (8, 3753875), (10, 3003100), (20, 1501550), (25, 1201240), (40, 750775), (50, 600620), (59, 509000), (100, 300310), (118, 254500), (125, 240248), (200, 150155), (236, 127250), (250, 120124), (295, 101800), (472, 63625), (500, 60062), (509, 59000), (590, 50900), (1000, 30031), (1018, 29500), (1180, 25450), (1475, 20360), (2036, 14750), (2360, 12725), (2545, 11800), (2950, 10180), (4072, 7375), (5090, 5900)]