269667020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{3923}}^1$

素因数の和:4430

約数の個数: 48

約数和(自身を含む): 648684288

約数和(自身を除く): 379017268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1964, 2455, 3437, 3923, 4910, 6874, 7846, 9820, 13748, 15692, 17185, 19615, 27461, 34370, 39230, 54922, 68740, 78460, 109844, 137305, 274610, 549220, 1926193, 3852386, 7704772, 9630965, 13483351, 19261930, 26966702, 38523860, 53933404, 67416755, 134833510, 269667020]

約数ペア:

[(1, 269667020), (2, 134833510), (4, 67416755), (5, 53933404), (7, 38523860), (10, 26966702), (14, 19261930), (20, 13483351), (28, 9630965), (35, 7704772), (70, 3852386), (140, 1926193), (491, 549220), (982, 274610), (1964, 137305), (2455, 109844), (3437, 78460), (3923, 68740), (4910, 54922), (6874, 39230), (7846, 34370), (9820, 27461), (13748, 19615), (15692, 17185)]