254137020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{16481}}^1$

素因数の和:16750

約数の個数: 48

約数和(自身を含む): 714395808

約数和(自身を除く): 460258788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 7710, 15420, 16481, 32962, 49443, 65924, 82405, 98886, 164810, 197772, 247215, 329620, 494430, 988860, 4235617, 8471234, 12706851, 16942468, 21178085, 25413702, 42356170, 50827404, 63534255, 84712340, 127068510, 254137020]

約数ペア:

[(1, 254137020), (2, 127068510), (3, 84712340), (4, 63534255), (5, 50827404), (6, 42356170), (10, 25413702), (12, 21178085), (15, 16942468), (20, 12706851), (30, 8471234), (60, 4235617), (257, 988860), (514, 494430), (771, 329620), (1028, 247215), (1285, 197772), (1542, 164810), (2570, 98886), (3084, 82405), (3855, 65924), (5140, 49443), (7710, 32962), (15420, 16481)]