38728130

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{1613}}^1$

素因数の和:1648

約数の個数: 40

約数和(自身を含む): 81374652

約数和(自身を除く): 42646522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1613, 1715, 2401, 3226, 3430, 4802, 8065, 11291, 12005, 16130, 22582, 24010, 56455, 79037, 112910, 158074, 395185, 553259, 790370, 1106518, 2766295, 3872813, 5532590, 7745626, 19364065, 38728130]

約数ペア:

[(1, 38728130), (2, 19364065), (5, 7745626), (7, 5532590), (10, 3872813), (14, 2766295), (35, 1106518), (49, 790370), (70, 553259), (98, 395185), (245, 158074), (343, 112910), (490, 79037), (686, 56455), (1613, 24010), (1715, 22582), (2401, 16130), (3226, 12005), (3430, 11291), (4802, 8065)]