500220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{397}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 1738464

約数和(自身を除く): 1238244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 397, 420, 630, 794, 1191, 1260, 1588, 1985, 2382, 2779, 3573, 3970, 4764, 5558, 5955, 7146, 7940, 8337, 11116, 11910, 13895, 14292, 16674, 17865, 23820, 25011, 27790, 33348, 35730, 41685, 50022, 55580, 71460, 83370, 100044, 125055, 166740, 250110, 500220]

約数ペア:

[(1, 500220), (2, 250110), (3, 166740), (4, 125055), (5, 100044), (6, 83370), (7, 71460), (9, 55580), (10, 50022), (12, 41685), (14, 35730), (15, 33348), (18, 27790), (20, 25011), (21, 23820), (28, 17865), (30, 16674), (35, 14292), (36, 13895), (42, 11910), (45, 11116), (60, 8337), (63, 7940), (70, 7146), (84, 5955), (90, 5558), (105, 4764), (126, 3970), (140, 3573), (180, 2779), (210, 2382), (252, 1985), (315, 1588), (397, 1260), (420, 1191), (630, 794)]