38431540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1301}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 92744064

約数和(自身を除く): 54312524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1301, 1477, 2110, 2602, 2954, 4220, 5204, 5908, 6505, 7385, 9107, 13010, 14770, 18214, 26020, 29540, 36428, 45535, 91070, 182140, 274511, 549022, 1098044, 1372555, 1921577, 2745110, 3843154, 5490220, 7686308, 9607885, 19215770, 38431540]

約数ペア:

[(1, 38431540), (2, 19215770), (4, 9607885), (5, 7686308), (7, 5490220), (10, 3843154), (14, 2745110), (20, 1921577), (28, 1372555), (35, 1098044), (70, 549022), (140, 274511), (211, 182140), (422, 91070), (844, 45535), (1055, 36428), (1301, 29540), (1477, 26020), (2110, 18214), (2602, 14770), (2954, 13010), (4220, 9107), (5204, 7385), (5908, 6505)]