331350640

素因数分解:

$2^4\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{3169}}^1$

素因数の和:4489

約数の個数: 40

約数和(自身を含む): 771222960

約数和(自身を除く): 439872320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1307, 2614, 3169, 5228, 6338, 6535, 10456, 12676, 13070, 15845, 20912, 25352, 26140, 31690, 50704, 52280, 63380, 104560, 126760, 253520, 4141883, 8283766, 16567532, 20709415, 33135064, 41418830, 66270128, 82837660, 165675320, 331350640]

約数ペア:

[(1, 331350640), (2, 165675320), (4, 82837660), (5, 66270128), (8, 41418830), (10, 33135064), (16, 20709415), (20, 16567532), (40, 8283766), (80, 4141883), (1307, 253520), (2614, 126760), (3169, 104560), (5228, 63380), (6338, 52280), (6535, 50704), (10456, 31690), (12676, 26140), (13070, 25352), (15845, 20912)]