209220400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{27529}}^1$

素因数の和:27566

約数の個数: 60

約数和(自身を含む): 529126600

約数和(自身を除く): 319906200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 27529, 55058, 110116, 137645, 220232, 275290, 440464, 523051, 550580, 688225, 1046102, 1101160, 1376450, 2092204, 2202320, 2615255, 2752900, 4184408, 5230510, 5505800, 8368816, 10461020, 11011600, 13076275, 20922040, 26152550, 41844080, 52305100, 104610200, 209220400]

約数ペア:

[(1, 209220400), (2, 104610200), (4, 52305100), (5, 41844080), (8, 26152550), (10, 20922040), (16, 13076275), (19, 11011600), (20, 10461020), (25, 8368816), (38, 5505800), (40, 5230510), (50, 4184408), (76, 2752900), (80, 2615255), (95, 2202320), (100, 2092204), (152, 1376450), (190, 1101160), (200, 1046102), (304, 688225), (380, 550580), (400, 523051), (475, 440464), (760, 275290), (950, 220232), (1520, 137645), (1900, 110116), (3800, 55058), (7600, 27529)]