138760860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{330383}}^1$

素因数の和:330402

約数の個数: 48

約数和(自身を含む): 444036096

約数和(自身を除く): 305275236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 330383, 660766, 991149, 1321532, 1651915, 1982298, 2312681, 3303830, 3964596, 4625362, 4955745, 6607660, 6938043, 9250724, 9911490, 11563405, 13876086, 19822980, 23126810, 27752172, 34690215, 46253620, 69380430, 138760860]

約数ペア:

[(1, 138760860), (2, 69380430), (3, 46253620), (4, 34690215), (5, 27752172), (6, 23126810), (7, 19822980), (10, 13876086), (12, 11563405), (14, 9911490), (15, 9250724), (20, 6938043), (21, 6607660), (28, 4955745), (30, 4625362), (35, 3964596), (42, 3303830), (60, 2312681), (70, 1982298), (84, 1651915), (105, 1321532), (140, 991149), (210, 660766), (420, 330383)]