38962280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 100794240

約数和(自身を除く): 61831960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 454, 613, 908, 1135, 1226, 1589, 1816, 2270, 2452, 3065, 3178, 4291, 4540, 4904, 6130, 6356, 7945, 8582, 9080, 12260, 12712, 15890, 17164, 21455, 24520, 31780, 34328, 42910, 63560, 85820, 139151, 171640, 278302, 556604, 695755, 974057, 1113208, 1391510, 1948114, 2783020, 3896228, 4870285, 5566040, 7792456, 9740570, 19481140, 38962280]

約数ペア:

[(1, 38962280), (2, 19481140), (4, 9740570), (5, 7792456), (7, 5566040), (8, 4870285), (10, 3896228), (14, 2783020), (20, 1948114), (28, 1391510), (35, 1113208), (40, 974057), (56, 695755), (70, 556604), (140, 278302), (227, 171640), (280, 139151), (454, 85820), (613, 63560), (908, 42910), (1135, 34328), (1226, 31780), (1589, 24520), (1816, 21455), (2270, 17164), (2452, 15890), (3065, 12712), (3178, 12260), (4291, 9080), (4540, 8582), (4904, 7945), (6130, 6356)]