13502380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 29937600

約数和(自身を除く): 16435220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 197, 230, 298, 394, 460, 596, 745, 788, 985, 1490, 1970, 2980, 3427, 3940, 4531, 6854, 9062, 13708, 17135, 18124, 22655, 29353, 34270, 45310, 58706, 68540, 90620, 117412, 146765, 293530, 587060, 675119, 1350238, 2700476, 3375595, 6751190, 13502380]

約数ペア:

[(1, 13502380), (2, 6751190), (4, 3375595), (5, 2700476), (10, 1350238), (20, 675119), (23, 587060), (46, 293530), (92, 146765), (115, 117412), (149, 90620), (197, 68540), (230, 58706), (298, 45310), (394, 34270), (460, 29353), (596, 22655), (745, 18124), (788, 17135), (985, 13708), (1490, 9062), (1970, 6854), (2980, 4531), (3427, 3940)]