238732040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97841}}^1$

素因数の和:97913

約数の個数: 32

約数和(自身を含む): 545958360

約数和(自身を除く): 307226320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 97841, 195682, 391364, 489205, 782728, 978410, 1956820, 3913640, 5968301, 11936602, 23873204, 29841505, 47746408, 59683010, 119366020, 238732040]

約数ペア:

[(1, 238732040), (2, 119366020), (4, 59683010), (5, 47746408), (8, 29841505), (10, 23873204), (20, 11936602), (40, 5968301), (61, 3913640), (122, 1956820), (244, 978410), (305, 782728), (488, 489205), (610, 391364), (1220, 195682), (2440, 97841)]