388796740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{3037}}^1$

素因数の和:3256

約数の個数: 48

約数和(自身を含む): 843664752

約数和(自身を除く): 454868012

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 173, 185, 346, 370, 692, 740, 865, 1730, 3037, 3460, 6074, 6401, 12148, 12802, 15185, 25604, 30370, 32005, 60740, 64010, 112369, 128020, 224738, 449476, 525401, 561845, 1050802, 1123690, 2101604, 2247380, 2627005, 5254010, 10508020, 19439837, 38879674, 77759348, 97199185, 194398370, 388796740]

約数ペア:

[(1, 388796740), (2, 194398370), (4, 97199185), (5, 77759348), (10, 38879674), (20, 19439837), (37, 10508020), (74, 5254010), (148, 2627005), (173, 2247380), (185, 2101604), (346, 1123690), (370, 1050802), (692, 561845), (740, 525401), (865, 449476), (1730, 224738), (3037, 128020), (3460, 112369), (6074, 64010), (6401, 60740), (12148, 32005), (12802, 30370), (15185, 25604)]