201248900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{64919}}^1$

素因数の和:64964

約数の個数: 36

約数和(自身を含む): 450804480

約数和(自身を除く): 249555580

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 64919, 129838, 259676, 324595, 649190, 1298380, 1622975, 2012489, 3245950, 4024978, 6491900, 8049956, 10062445, 20124890, 40249780, 50312225, 100624450, 201248900]

約数ペア:

[(1, 201248900), (2, 100624450), (4, 50312225), (5, 40249780), (10, 20124890), (20, 10062445), (25, 8049956), (31, 6491900), (50, 4024978), (62, 3245950), (100, 2012489), (124, 1622975), (155, 1298380), (310, 649190), (620, 324595), (775, 259676), (1550, 129838), (3100, 64919)]