18980100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{21089}}^1$

素因数の和:21109

約数の個数: 54

約数和(自身を含む): 59494890

約数和(自身を除く): 40514790

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 21089, 42178, 63267, 84356, 105445, 126534, 189801, 210890, 253068, 316335, 379602, 421780, 527225, 632670, 759204, 949005, 1054450, 1265340, 1581675, 1898010, 2108900, 3163350, 3796020, 4745025, 6326700, 9490050, 18980100]

約数ペア:

[(1, 18980100), (2, 9490050), (3, 6326700), (4, 4745025), (5, 3796020), (6, 3163350), (9, 2108900), (10, 1898010), (12, 1581675), (15, 1265340), (18, 1054450), (20, 949005), (25, 759204), (30, 632670), (36, 527225), (45, 421780), (50, 379602), (60, 316335), (75, 253068), (90, 210890), (100, 189801), (150, 126534), (180, 105445), (225, 84356), (300, 63267), (450, 42178), (900, 21089)]