30490000

素因数分解:

$2^4\times 5^4\times {\mathrm{3049}}^1$

素因数の和:3077

約数の個数: 50

約数和(自身を含む): 73843550

約数和(自身を除く): 43353550

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 3049, 5000, 6098, 10000, 12196, 15245, 24392, 30490, 48784, 60980, 76225, 121960, 152450, 243920, 304900, 381125, 609800, 762250, 1219600, 1524500, 1905625, 3049000, 3811250, 6098000, 7622500, 15245000, 30490000]

約数ペア:

[(1, 30490000), (2, 15245000), (4, 7622500), (5, 6098000), (8, 3811250), (10, 3049000), (16, 1905625), (20, 1524500), (25, 1219600), (40, 762250), (50, 609800), (80, 381125), (100, 304900), (125, 243920), (200, 152450), (250, 121960), (400, 76225), (500, 60980), (625, 48784), (1000, 30490), (1250, 24392), (2000, 15245), (2500, 12196), (3049, 10000), (5000, 6098)]