438675980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{300463}}^1$

素因数の和:300545

約数の個数: 24

約数和(自身を含む): 933842112

約数和(自身を除く): 495166132

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 300463, 600926, 1201852, 1502315, 3004630, 6009260, 21933799, 43867598, 87735196, 109668995, 219337990, 438675980]

約数ペア:

[(1, 438675980), (2, 219337990), (4, 109668995), (5, 87735196), (10, 43867598), (20, 21933799), (73, 6009260), (146, 3004630), (292, 1502315), (365, 1201852), (730, 600926), (1460, 300463)]