18380100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 53621568

約数和(自身を除く): 35241468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 197, 300, 311, 394, 591, 622, 788, 933, 985, 1182, 1244, 1555, 1866, 1970, 2364, 2955, 3110, 3732, 3940, 4665, 4925, 5910, 6220, 7775, 9330, 9850, 11820, 14775, 15550, 18660, 19700, 23325, 29550, 31100, 46650, 59100, 61267, 93300, 122534, 183801, 245068, 306335, 367602, 612670, 735204, 919005, 1225340, 1531675, 1838010, 3063350, 3676020, 4595025, 6126700, 9190050, 18380100]

約数ペア:

[(1, 18380100), (2, 9190050), (3, 6126700), (4, 4595025), (5, 3676020), (6, 3063350), (10, 1838010), (12, 1531675), (15, 1225340), (20, 919005), (25, 735204), (30, 612670), (50, 367602), (60, 306335), (75, 245068), (100, 183801), (150, 122534), (197, 93300), (300, 61267), (311, 59100), (394, 46650), (591, 31100), (622, 29550), (788, 23325), (933, 19700), (985, 18660), (1182, 15550), (1244, 14775), (1555, 11820), (1866, 9850), (1970, 9330), (2364, 7775), (2955, 6220), (3110, 5910), (3732, 4925), (3940, 4665)]