389133040

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{32213}}^1$

素因数の和:32377

約数の個数: 40

約数和(自身を含む): 910754208

約数和(自身を除く): 521621168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 32213, 64426, 128852, 161065, 257704, 322130, 515408, 644260, 1288520, 2577040, 4864163, 9728326, 19456652, 24320815, 38913304, 48641630, 77826608, 97283260, 194566520, 389133040]

約数ペア:

[(1, 389133040), (2, 194566520), (4, 97283260), (5, 77826608), (8, 48641630), (10, 38913304), (16, 24320815), (20, 19456652), (40, 9728326), (80, 4864163), (151, 2577040), (302, 1288520), (604, 644260), (755, 515408), (1208, 322130), (1510, 257704), (2416, 161065), (3020, 128852), (6040, 64426), (12080, 32213)]