74272940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2693}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 179226432

約数和(自身を除く): 104953492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2693, 2758, 3940, 5386, 5516, 6895, 10772, 13465, 13790, 18851, 26930, 27580, 37702, 53860, 75404, 94255, 188510, 377020, 530521, 1061042, 2122084, 2652605, 3713647, 5305210, 7427294, 10610420, 14854588, 18568235, 37136470, 74272940]

約数ペア:

[(1, 74272940), (2, 37136470), (4, 18568235), (5, 14854588), (7, 10610420), (10, 7427294), (14, 5305210), (20, 3713647), (28, 2652605), (35, 2122084), (70, 1061042), (140, 530521), (197, 377020), (394, 188510), (788, 94255), (985, 75404), (1379, 53860), (1970, 37702), (2693, 27580), (2758, 26930), (3940, 18851), (5386, 13790), (5516, 13465), (6895, 10772)]