127787380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4021}}^1$

素因数の和:4264

約数の個数: 48

約数和(自身を含む): 308117376

約数和(自身を除く): 180329996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4021, 4540, 6356, 7945, 8042, 15890, 16084, 20105, 28147, 31780, 40210, 56294, 80420, 112588, 140735, 281470, 562940, 912767, 1825534, 3651068, 4563835, 6389369, 9127670, 12778738, 18255340, 25557476, 31946845, 63893690, 127787380]

約数ペア:

[(1, 127787380), (2, 63893690), (4, 31946845), (5, 25557476), (7, 18255340), (10, 12778738), (14, 9127670), (20, 6389369), (28, 4563835), (35, 3651068), (70, 1825534), (140, 912767), (227, 562940), (454, 281470), (908, 140735), (1135, 112588), (1589, 80420), (2270, 56294), (3178, 40210), (4021, 31780), (4540, 28147), (6356, 20105), (7945, 16084), (8042, 15890)]